Question

12+(5x + 3x²)-(3x² - -2x)=0. crozno pomogite​

Answer 1

Объяснение:

12+(5x + 3x²)-(3x² - (-2x)=0.

12+ 5x + 3x^2 - 3x^2 - 2x=0

3x = - 12

x = -12 :3

x = - 4