Question

Решение уравнение (3х-2)²-(3х-4)(4+3х)=0

Answer 1

(3х-2)^2-(3х-4)×(4+3х)=0
(3х-2)^2-(3х-4)×(3х+4)=0
9х^2-12х+4-(9х^2-16)=0
9х^2-12х+4-9х^2+16=0
-12х=-4-16
-12х=-20
х=-20÷(-12)
х=20/12
х=1 8/12 = 1 2/3.