Question

Решите уравнение (3x-1)^2+(4x+2)^2=(5x-1)*(5x+1)

Answer 1

(3x-1) ^2+(4x+2) ^2=(5x-1) ×(5x+1)
9x^2-6x+1+16x^2+4=25x^2-1
25x^2+10x+5=25x^2-1
10x+5=-1
10x=-1-5
10x=-6
X=-0, 6