Question

X square + 2 X + 1 factorisation

Answer 1

x^2 + x + x + 1

= x(x +1) + 1(x+1)

= (x+1)(x+1)

Answer 2

X² + 2x + 1

x² + x + x + 1

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


( x + 1 ) ( x + 1)