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posted by Margaret on Friday, December 31, 2010 at 3:15pm.

is x to the 4th power plus x to the 4th power equal to x to the 8th power?

NO!!! x^4 + x^4 is two x^4 terms in other words 2 x^4 but x^4 * x^4 = x^(4+4) = x^8

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