Question

5х(3х - 2) + 2(х - 3) - 3х(4х + 4) = $3x^{2}$ + 14

Answer 1

Объяснение:

5х(3х - 2) + 2(х - 3) - 3х(4х + 4) = 3х^2 + 14

15х^2-10х+2х-6-12х^2-12х= 3х^2 + 14

-20х=20

х=-1