Question

Expanded (x+7) squared ​

Answer 1

Answer:

x²+14x+49

Explanation:

Expand (x + 7)²

=(x+7)(x+7)

=(x)(x)+(x)(7)+(7)(x)+(7)(7)

=x²+7x+7x+49

=x²+14x+49

Answer 2

Answer: x^2 + 49 + 14x

Using identity

a^2 + b^2 + 2ab

a= x

b= 7