Simplify
(5x + 7y)³
with this formula (a+b)³
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Answer:
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Answer:
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Step-by-step explanation:
(a+b)^3 = a^3+b^3+3ab(a+b)
As per question
(5x+7y)^3
(5x)^3 +(7y)^3 + 3×5x × 7y ( 5x+7y)
125x^3 + 343y^3 + 105xy ( 5x+7y)
125x^3 + 343y^3 + 525x^2y + 735xy^2
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