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Camron Arnold
Today, 14:09
Write in standard form. (3y-5) (3y+5)
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Branden Mills
Today, 16:49
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(3y-5) (3y+5)
Let's start with the formulae
(a+b) (a-b) = a^2-b^2
Let insert it into the equation, we have
(3y-5) (3y+5) = (3y) ^2 - (5) ^2
3y (3y) - 5 (5)
9y^2-25. Ans
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