Question

f(x)=-3x-(2x+3) se alguém souber​

Answer 1

Resposta:

$- 3x - (2x + 3) = 0 \\ - 3x - 2x - 3 = 0 \\ - 5x = 3 \\ - x = \frac{3}{5} \\ x = - \frac{3}{5}$

Answer 2

seja:

f(x) = -3x - (2x + 3)

f(x) = -5x - 3

-5x - 3 = 0

5x = -3

x = -3/5