Question

(X+1)(x+2)-(x+3)(x+4)=0

Answer 1

$(x+1)(x+2)-(x+3)(x+4)=0\x^2+3x+2-x^2-7x-12=0\-4x-10=0\4x=-10\x=-2,5$

Answer 2

(x+1)(+2)-(x+3)(x+4)=0