Question

Уравнение : (x + 3 )²-x = ( x-2 ) (2+x )

Answer 1

(x+3)²-x=(x-2)(2+x)
x²+6x+9-x=2x+x²-4-2x
6x+9-x=-4
5x+9=-4
5x=-4-9
5x=-13
x=-13/5