Question

resolver porfavor¡¡¡

Answer 1

a) 3x² + 6x = 0

3x ( x + 2 ) = 0

• x = 3

• x + 2 = 0 → x = -2

b) 80 = 5x²

-5x² = -80

x² = -80 / -5

x = √16

x = 4