Question

1. Encontre as raízes f(x)= -x +3x +10​

Answer 1

Resposta:

X = -5

Explicação passo-a-passo:

$\mathsf{f(x) = - x + 3x + 10} \\ \mathsf{0 = - x + 3x + 10} \\ \mathsf{0 = 2x + 10} \\ \mathsf{ - 2x = 10} \\ \mathsf{x = \frac{10}{ - 2} } \\ \red{\mathsf{x = - 5}}$