# Multiply the polynomials using the special product formulas. Express your

Multiply the polynomials using the special product formulas. Express your answer as a single polynomial in standard form.
${\left(x+4\right)}^{2}$
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Step 1 : Analysis
Given :
${\left(x+4\right)}^{2}$
Step 2 : Solution
Using the formula ${\left(a+b\right)}^{2}={a}^{2}+2ab+{b}^{2}$
${\left(x+4\right)}^{2}={x}^{2}+2×x×4+{4}^{2}$
${\left(x+4\right)}^{2}={x}^{2}+8x+16$
Therefore
${\left(x+4\right)}^{2}={x}^{2}+8x+16$
###### Not exactly what you’re looking for?
Pansdorfp6
Given:
${\left(x+4\right)}^{2}$
=(x+4)(x+4)
=(x)(x)+(x)(4)+(4)(x)+(4)(4)
$={x}^{2}+4x+4x+16$
$={x}^{2}+8x+16$
Result:
${x}^{2}+8x+16$