Expand 1. ( x + 4y)³ using algebraic identity
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Answer:
(x+4y)³=
it is in the form of (a+b)³=a³+3a²b+3ab²+b³
x³+x²+48x+
Step-by-step explanation:
3x−4y)
2
=(3x)
2
−2(3x)(4y)+(4y)
2
=9x
2
−24xy+16y
2
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