Simplify (5x+11y)^3-(5x-11y)^3
Answers
Answered by
0
Answer:
2662y^3 + 1650x^2y
Step-by-step explanation:
(a+b)^3-(a-b)^3 = 2b(3a^2+b^2)
Answered by
0
Step-by-step explanation:
(5x+11y)³-(5x-11y)³
=125x³+825x²y+1815xy²+1331y³-125x³+825x²y-1815xy²+1331y³
=1650x²y+2662y³
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