Question

Плиз помогиииииииииииииииите!!!!!!

Answer 1

x^2 -1 = 5-x

x^2 +x -6 = 0

x = 2  x =-3

 

 

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

6x^2 +3x -20x +15=0

6x^2 -17x +15=0