Question

Factorise each of the following: (x + 2)² – (x + 4) using identites​

Answer 1

Answer:

(x + 2)² -(x +4)=0

x² +4 +2x -x -4=0

x² +x =0

x(x+1)=0

x=0 , x= -1 (ans)

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Answer 2

Answer:

$({x + 2})^{2} - (x + 4) \\ \\ = {x}^{2} + 4 + 4x - x - 4 \\ \\ = {x}^{2} + 3x = x(x + 3)$