Question

(x-4)(x+3)+(x-2)(x+3)=0

Answer 1

(x+3)×(x-4+x-2)=0
(x+3)×(2x-6)=0
2x²-6x+6x-18=0
2x²-18=0
2x²=18
x²=9
x=+-3

Answer 2

от души, бро