Question

(3x²-2x+9)-(3x-1)(x+1)​

Answer 1

(3x elevado a 2-2x+9)-2x-x

9x-2x-2x-x=2

4x=2

x=2/4

Answer 2

Resposta:

$\frac{5}{2}$

Explicação passo-a-passo:

3x²-2x+9 - (3x²+3x-x-1)

3x²-2x+9 - 3x²-2x+1

-4x+10

x = $\frac{-10}{-4} = \frac{5}{2}$