galaxyboi041 galaxyboi041

12-12-2019
Mathematics

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Multiply (5x+3)(5x-3)

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nonsibi nonsibi

12-12-2019

Well, (a+b)(a-b)=a^2-b^2.

So, (5x+3)(5x-3)=25x^2-9.

answer: 25x^2-9

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