Question

решите уравнение 4(x-4)(x+8)=(3x+2)(x-5)+(x-1)(x+1)

Answer 1

4х^2-16x+32x-128=3x^2+2x-15x-10 + x^2-1
4x^2+16x-128=4x^2-13x-11
29x=117
x=117/4