Question

x(x+1)+(x+2)(x+3)=42 factorisation

Answer 1

x²+x+x²+5x+6-42=0
2x²+6x-36=0
x²+3x-18=0
x²+6x-3x-18=0
x(x+6)-3(x+6)=0
(x-3)(x+6)=0
x=3 or x=-6

Answer 2

i hope this may help u