Question

8(x-3)-4(5-x)
X(x^3+x^2-4)-x^3(x-2)
7 класс

Answer 1

8(x - 3) - 4(5 - x) = 8x - 24 - 20 + 4x = 12x - 44

x(x^3 + x^2 - 4) - x^3(x - 2) = x^4 + x^3 - 4x - x^4 + 2x^3 = 
= 3x^3 - 4x