Question

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

Answer 1

here is the answer

hope it will help you

Answer 2

SOLUTION

TO DETERMINE

To multiply the following using appropriate identities

$\sf{(x + 7)(x + 7)}$

FORMULA TO BE IMPLEMENTED

We are aware of the identity that

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

EVALUATION

Here we have to multiply

$\sf{(x + 7) \: \: and \: \: (x + 7)}$

Now

$\sf{(x + 7)(x + 7)}$

$\sf{ = {(x + 7)}^{2} }$

$\sf{ = {x}^{2} + 2.x.7 + {(7)}^{2} }$

$\sf{ = {x}^{2} + 14x+ 49 }$

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