Question

ra 1 > ★ w.11 multiply polynomials 58a
find the product. simplify your answer.
$(4m + 4)(4m - 4)$
submit

Explanation:

Step1: Apply difference of squares rule

Recall that $(a+b)(a-b)=a^2-b^2$. Here, $a=4m$, $b=4$.

Step2: Calculate $a^2$

$a^2=(4m)^2=16m^2$

Step3: Calculate $b^2$

$b^2=4^2=16$

Step4: Subtract to get product

$a^2 - b^2 = 16m^2 - 16$

Answer:

$16m^2 - 16$