Question

(X+4)(X+2)=(X+3)(X+5) Caranya Adalah

Answer 1

(x+4)(x+2)=x^2+6x+8
(x+3)(x+5)=x^2+8x+15
x^2+6x+8=x^2+8x+15
x^2+6x+8-x^2=8x+15
6x+8=8x+15
6x+8-8x=15
-2x+8=15
-2x=15-8
-2x=7
x=7/-2