Question

Решить уравнение: (4х-6)(4х+6)-8(2х2+9х)=0.

Answer 1

(4х-6)(4х+6)-8(2х^2+9х)=0.

16x^2-36-16x^2-72x=0

-36-72x=0

-72x=36

x=-(36/72)

x=-(1/2)=-0.5