Question

6(x2 – 1) – x = 14 + 5x2

Answer 1

Resposta final: x=20

Explicação passo-a-passo:

6(2x-1)-x=14+5x2

12x-6-X=14+10X

12X-X-10X=14+6

X=20

ESPERO TER AJUDADO!!!

Answer 2

Resposta:

6(x2−1)−14=5x2+x6x2−6−14−5x2−x=0x2−x−20=0Δ=(−1)2−4.1.(−20)=1+80=81x=21+−9x1=5x2=−4