Question

Simplify: x(x+1) +2(x+1)

Answer 1

Answer:

$= x(x + 1) + 2(x + 1) \\ \\ = (x + 2)(x + 1)$

Answer 2

Answer:

x(x+1) +2(x+1)

x2+x+2x+2

x2+3x+2

by factorisation

(x+1)(x+2)