Question

a2+8a+16
Factorizar ​

Answer 1

a2 + 8a + 16

Rewrite in the from a

${a}^{2} + 2ab + b ^{2}$

16 = 4^2

8a = 2a . 4

= a^2 + 2a . 4 + 4^2

Applying the binomial squared formula :

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

= ( a + 4 ) ^ 2