Question

2x+3(-x2-1)=- 3x2+2(x-1)-3(x+2)

Answer 1

2x+3(-x^2-1) = -3x^2 + 2(x-1) - 3 (x+2)
2x-3x^2-3 = -3x^2 + 2x-2-3x-6
-3=-3x-8
5=-3x
-5/3=x