Решите уравнение (6х+2)^2=(6х-1)(5х+1)

Question

Решите уравнение (6х+2)^2=(6х-1)(5х+1)

Answer 1

●(6x+2)^2=(6x-1)(5x+1) ●36x^2+24x+4=30x^2+6x-5x-1 ●6x^2+23x+5=0 ●D=23^2-4×6×5=309 ●x1=(-23-[309)/12 ●x2=(-23+[309)/12