5 x minus 7 Y is equal to minus 2 xy=3, find 125 x cube minus 343 y cube
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Answer:
Factor:
125x3+343y3=(5x+7y)(25x2−35xy+49y2)
Step-by-step explanation:
a3+b3=(a+b) (a2-ab+b2)
125x3+343y3=(5x+7y)(25x2−35xy+49y2)
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