Short Answer Que4. Find the zeroes of the following quadraticpolynomia

1.	Short Answer Que4. Find the zeroes of the following quadraticpolynomials and verify the relationshipbetween the zeroes and the coefficients(i) f(x) x -3x-28(ii) f(x) = 2x?-x-6[CBSE-12-MA2-032]RGREEN 100% SUCCESS!NMATHEMATICS-10
Answer» i)x²-3x-28=f(x)f(x)=x²-7x+4x-28f(x)=x(x-7)+4(x-7)f(x)=(x+4)(x-7)zeroes are -4 , 7 ii)2x²-x-6=f(x)f(x)=2x²-4x+3x-6f(x)2x(x-2)+3(x-2)f(x)=(2x+3)(x-2)zeroes are -3/2 , 2

Short Answer Que4. Find the zeroes of the following quadraticpolynomials and verify the relationshipbetween the zeroes and the coefficients(i) f(x) x -3x-28(ii) f(x) = 2x?-x-6[CBSE-12-MA2-032]RGREEN 100% SUCCESS!NMATHEMATICS-10

Answer»

i)x²-3x-28=f(x)f(x)=x²-7x+4x-28f(x)=x(x-7)+4(x-7)f(x)=(x+4)(x-7)zeroes are -4 , 7

ii)2x²-x-6=f(x)f(x)=2x²-4x+3x-6f(x)2x(x-2)+3(x-2)f(x)=(2x+3)(x-2)zeroes are -3/2 , 2