Question

(x+2)(x-7)+(x-5)(x+3)

Answer 1

(x + 2).(x - 7) + (x - 5).(x + 3); x^2 - 7x +2x - 14 + x^2 + 3x - 5x - 15; x^2 -5x - 14 + x^2 - 2x - 15; = 2x^2 - 7x - 29; Resp.: 2x ^2 - 7x - 29