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double check on factor question

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a²-16b^{2 is it}

(a-4b)(a+4b) ?

Guest Oct 10, 2014

Best Answer

+23254

+5

By FOIL, (a - 4b)(a + 4b) = a² + 4ab - 4ab - 16b² = a² - 16b²

geno3141 Oct 10, 2014

1⁺⁰ Answers

+23254

+5

Best Answer

By FOIL, (a - 4b)(a + 4b) = a² + 4ab - 4ab - 16b² = a² - 16b²

geno3141 Oct 10, 2014

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