Factorize
4(x+3y)³+12(x+3y)²
pls answer it now
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Answer:
4(x+3y)³+12(x+3y)²
= 4(x³+27y³+9x²y+27xy²)+12(x²+9y²+6xy)
= 4x³+108y³+36x²y+108xy²+12x²+108y²+72xy
= 4x³+108y³+12x²+108y²+36x²y+108xy²+72xy
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