Question

Multipley
the following using appropriate
identities
(x+7) (x+7)​

Answer 1

Answer:

Step-by-step explanation:

$\huge\sf\underline\blue{answer}$

(x+7) (x+7)​

.: (a+b)*(a+b) = (a+b)^2

(x+7)^2

(a+b)^2 = a^2+2ab+b^2

x^2+2(x)(7)+(7)^2

x^2+14x+49

Answer 2

Answer:

x^2 + 14x + 49

Step-by-step explanation:

(x+7)(x+7)

= (x+7)^2

=(x)^2 + 2(x)(7) + 7^2

= x^2 + 14x + 49