Question

Alguém me ajuda resolver
-3x(3x-42)=2(7x-52)

Answer 1

- 3x . (3x - 42) = 2 . (7x - 52)

$-9x^2+126x = 14x-104$

$-9x^2+126x-14x+104=0$

$-9x^2+112x+104=0$