Mathematics
Mazal1100121
9

please help! if anybody is good at equivalent polynomial expressions please help!!

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(1) Answers
mo9972852

hello: ((b²-64)/(b²-225))×(b-15)/(b+8) = (b²-64)(b-15)/(b²-225)(b+8) but : b²-64 = b²-8² = (b-8)(b+8)         b²- 225 = b²-15² =(b-15)(b+15)  (b-8)(b+8)(b-15)/(b-15)(b+15)(b+8) = (b-8)/(b+15)

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