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Question

Find the product. (7a + 8b)(7a - 8b)

Solution

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Answered 2 years ago
Answered 2 years ago
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The pattern for the sum and difference pattern is:

(a+b)(ab)=a2b2(1)\begin{align*} \textcolor{#4257b2}{(a+b)(a-b)=a^2-b^2\quad\quad\quad (1)}\\ \end{align*}

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