(4x-3y)^3 expand by using formula
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64x^3-27y^3-144x^2y+108y^2x
angellife1223:
Hello
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(a+b) ³
= a³+b³+3ab(a+b)
=(4x)³+ (3y)³+ 3*4x*3y(4x+3y)
=64x³+27y³+36xy(4x+3y)
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