Jacob2435 Jacob2435

21-10-2016
Mathematics

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Factor completely 5 x^{2} -80

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apologiabiology apologiabiology

21-10-2016

remember
a^2-b^2=(a-b)(a+b)
5(x^2-16)
5(x^2-4^2)
5(x-4)(x+4)

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