(4x - 3y)³ = ?
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Answered by
1
Answer:
64x^3-27y^3-144x^2y+108xy^2
Step-by-step explanation:
(4x-3y)^3
(4x)^3-(3y)^3-3(4x)^2(3y)+3(4x)(3y)^2. { (a-b)^3=a^3-b^3-3a^2b+3ab^2 }
64x^3-27y^3-3(16x^2)(3y)+3(4x)(9y^2)
64x^3-27y^3-9y(16x^2)+12x(9y^2)
64x^3-27y^3-144x^2y+108xy^2
Answered by
2
Step-by-step explanation:
ur answer in pic
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