a³-125b³+1+15ab
please answer with explanation
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Step-by-step explanation:
it's bt a³ + b³ + c³ + 3abc = (a + b + c) (a² + b² + c² -ab -bc -ca)
= (a -5+1) (a² +25 + 1 +5a - 5b +a)
Hope it helps you
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