Question

Please
factorize this

Answer 1

Answer:

refer to the attachemnt....just remember tge formula of (a+b)²=a²+b²+2ab

Answer 2

Answer:

${a}^{2} + 4ab + {b}^{2} \\ = {a }^{2} + 2ab + {b}^{2} + 2ab \\ = {(a + b)}^{2} + 2ab$