(-1^2+11^2)(11^2- -7^2)

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math algebra

Guest Aug 19, 2014

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Best Answer

$$(-1^2+11^2)(11^2- -7^2)\\
=(-[1^2]+11^2)(11^2+7^2)\\
=(-1+121)(121+49)\\
=(120)(170)\\
=120*170\\$$

$${\mathtt{120}}{\mathtt{\,\times\,}}{\mathtt{170}} = {\mathtt{20\,400}}$$

Melody Aug 19, 2014

Melody · Answer 1 · 2014-08-19T09:05:10

$$(-1^2+11^2)(11^2- -7^2)\\
=(-[1^2]+11^2)(11^2+7^2)\\
=(-1+121)(121+49)\\
=(120)(170)\\
=120*170\\$$

$${\mathtt{120}}{\mathtt{\,\times\,}}{\mathtt{170}} = {\mathtt{20\,400}}$$

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