12(x^3-2)-7x(x^2-1)=5x^3+2x+6

Question

12(x^3-2)-7x(x^2-1)=5x^3+2x+6

Answer 1

12(x³ - 2) - 7x(x² - 1) = 5x³ + 2x + 6
12x³ - 24 - 7x³ + 7x = 5x³ + 2x + 6
5x³ + 7x - 5x³ - 2x = 6 + 24
5x = 30
x = 6

Comments

Спасибо огромное