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It is the difference of two squares as for example: x squared-49 = (x-7)(x+7)

Therefore the first term is plus and the last term is minus

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Q: What is always the sign of the first term and the last term in the product when a binomial is squared?
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What is the two method to findthe product of binomial?

FOILMultiply First Outer Inner LastThen add the outer and inner.


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How do you solve a cube binomial?

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