X-- 6x +3=0.2. 13x2 + 2x -- 873 = 0.3. x2 – 3x - 10 = 0.4. x2 + x -2

1.	X-- 6x +3=0.2. 13x2 + 2x -- 873 = 0.3. x2 – 3x - 10 = 0.4. x2 + x -20 = 0.5. x2 - 9x +18=0.6. 4x2 – 2x + = = 0.7.- 213x2 - 14x+4+3 = 0.8. y2 - (p+q)y + pq = 0.9. 2x2 + x - 6= 0.10. x-3-1x211. 3x2 + 7x+5V2 = 0.12. 2x2 + ax -- a2 = 0, (FET a arkeaan =13. 413x2 + 2x - 2/3=0.
Answer» x^2+x-20=0; x^2+5x-4x-20 =0; x( x+5)-4( x+5)=0; ( x-4)( x+5)=0; x = 4 & -5 3)x^2-3x-10=0x^2-5x+2x-10=0x(x-5)+3(x-5)=0(x-5)(x+3)=0either x-5=0, x=5or x+3=0, x= -3

X-- 6x +3=0.2. 13x2 + 2x -- 873 = 0.3. x2 – 3x - 10 = 0.4. x2 + x -20 = 0.5. x2 - 9x +18=0.6. 4x2 – 2x + = = 0.7.- 213x2 - 14x+4+3 = 0.8. y2 - (p+q)y + pq = 0.9. 2x2 + x - 6= 0.10. x-3-1x211. 3x2 + 7x+5V2 = 0.12. 2x2 + ax -- a2 = 0, (FET a arkeaan =13. 413x2 + 2x - 2/3=0.

Answer»

x^2+x-20=0; x^2+5x-4x-20 =0; x( x+5)-4( x+5)=0; ( x-4)( x+5)=0; x = 4 & -5

3)x^2-3x-10=0x^2-5x+2x-10=0x(x-5)+3(x-5)=0(x-5)(x+3)=0either x-5=0, x=5or x+3=0, x= -3