(9t-7)(t+6)=(3t+5)(3t-4) We move all terms to the left: (9t-7)(t+6)-((3t+5)(3t-4))=0 We multiply parentheses .. (+9t^2+54t-7t-42)-((3t+5)(3t-4))=0 We calculate terms in parentheses: -((3t+5)(3t-4)), so: (3t+5)(3t-4) We multiply parentheses .. (+9t^2-12t+15t-20) We GET rid of parentheses 9t^2-12t+15t-20 We add all the numbers together, and all the variables 9t^2+3t-20 Back to the equation: -(9t^2+3t-20) We get rid of parentheses 9t^2-9t^2+54t-7t-3t-42+20=0 We add all the numbers together, and all the variables 44t-22=0 We move all terms containing t to the left, all other terms to the right 44t=22 t=22/44 t=1/2 Likes 2 Share this answer fb_icon share_icon 500000+ Question Answers Similar Questions ques_icon  1. If F(t) = 4t2-3t +6, find F(4) ... ques_icon  3T 111) sin + 2 cos π+ 3 . sin 3π 5 sec π--6 cosec ... ques_icon  6. 7, 28, 63, 124, 215, 342, 511 (3T) 7 (T) 124 (3) 28 (a) 215 ... ques_icon  8.. The slope of the TANGENT to the curve x y= 2t2-2t-5 at the point (2,-1) is. t2+3t-8, 2 7 -6 7 6 7 6 7 ... ques_icon  Qf 2a26 prove that sa 6-3080 Q2 lfa+b+c-6 then find the value of(2-а)3t(2-b)34(24).3(2-a)(2-b) (24) ... ques_icon  (iii)p(-1) (iii) f(-5). . (ii) p(2), e2. Ifpw-4+3y-y2+5y3, find (i) p(0), If fitに4,2-3t+6 find (i) f(0), (ii) f (4), ... ques_icon  dy dt yc(3, x (1) 5 sin (5 - 3t) (4) -5 sin (5- 3t) (2) 3 sin (5-3t) (4) -3 sin (5-3f) ... ques_icon  Check whether p(t) 6t+3t+3t+ 18 is a multiple of (2t+3) ... ques_icon  -position as a function of time is 18. A particles described as y(2t2 3t + 4. What is the average velocity of the particle from t = 0 to t = 3 sec? (1) 3 m/sec(2)、6 m/sec (3) 9 m/sec m/sec (412 , ... ques_icon  1. The momenta of a body in two perpendicular directions at any time't' are given by P 2+6 and P+3.The force acting on the body at t 2 sec is 3t 1) 5 units 2) 2 units 3) 10 units 4) 15 units ...  Scholr is India's Largest Knowledge Sharing Platform. Send Your Questions to EXPERTS. Ask scholrandroid(9t-7)(t+6)=(3t+5)(3t-4) We move all terms to the left: (9t-7)(t+6)-((3t+5)(3t-4))=0 We multiply parentheses .. (+9t^2+54t-7t-42)-((3t+5)(3t-4))=0 We calculate terms in parentheses: -((3t+5)(3t-4)), so: (3t+5)(3t-4) We multiply parentheses .. (+9t^2-12t+15t-20) We get rid of parentheses 9t^2-12t+15t-20 We add all the numbers together, and all the variables 9t^2+3t-20 Back to the equation: -(9t^2+3t-20) We get rid of parentheses 9t^2-9t^2+54t-7t-3t-42+20=0 We add all the numbers together, and all the variables 44t-22=0 We move all terms containing t to the left, all other terms to the right 44t=22 t=22/44 t=1/2 Likes 2 Share this answer fb_icon share_icon 500000+ Question Answers Similar Questions ques_icon  1. If F(t) = 4t2-3t +6, find F(4) ... ques_icon  3T 111) sin + 2 cos π+ 3 . sin 3π 5 sec π--6 cosec ... ques_icon  6. 7, 28, 63, 124, 215, 342, 511 (3T) 7 (T) 124 (3) 28 (a) 215 ... ques_icon  8.. The slope of the tangent to the curve x y= 2t2-2t-5 at the point (2,-1) is. t2+3t-8, 2 7 -6 7 6 7 6 7 ... ques_icon  Qf 2a26 prove that sa 6-3080 Q2 lfa+b+c-6 then find the value of(2-а)3t(2-b)34(24).3(2-a)(2-b) (24) ... ques_icon  (iii)p(-1) (iii) f(-5). . (ii) p(2), e2. Ifpw-4+3y-y2+5y3, find (i) p(0), If fitに4,2-3t+6 find (i) f(0), (ii) f (4), ... ques_icon  dy dt yc(3, x (1) 5 sin (5 - 3t) (4) -5 sin (5- 3t) (2) 3 sin (5-3t) (4) -3 sin (5-3f) ... ques_icon  Check whether p(t) 6t+3t+3t+ 18 is a multiple of (2t+3) ... ques_icon  -position as a function of time is 18. A particles described as y(2t2 3t + 4. What is the average velocity of the particle from t = 0 to t = 3 sec? (1) 3 m/sec(2)、6 m/sec (3) 9 m/sec m/sec (412 , ... ques_icon  1. The momenta of a body in two perpendicular directions at any time't' are given by P 2+6 and P+3.The force acting on the body at t 2 sec is 3t 1) 5 units 2) 2 units 3) 10 units 4) 15 units ...