solve (4a-3) cube by identity( x+y )cube = x cube +y cube +3xy(x+y)
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Answer:
[4a + (-3)] ^3 = 4a^3 + (-3)^3 + 3(4a)(-3)[4a+(-3)]
= 64a^3 - 27^3 - 36a ( 4a-3)
= 64a^3 - 27^3 - 144a^2 + 108a
I hope that is your answer
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