Factorize: 729xpower3- 343ypower3
please tell the answer step by step pls tell correct answers
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729x^3 - 343y^3 =
(9x)^3 - (7y)^3 =
(9x - 7y) [(9x)^2 + (9x)(7y) + (7y)^2] =
(9x-7y) [81x2 + 63xy + 49y2]
Hope it helps please mark as brainliest
(9x)^3 - (7y)^3 =
(9x - 7y) [(9x)^2 + (9x)(7y) + (7y)^2] =
(9x-7y) [81x2 + 63xy + 49y2]
Hope it helps please mark as brainliest
Answered by
3
Step-by-step explanation:
729x^3-343y^3=(9x)^3-(7y)^3
using identity a3-b3=(a-b)(a2+ab+b2)
(9x-7y)(9x^2+9x×7y + 7y^2(
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