* find the cube of the following:
1.) 5x+2y
2.) 4a-3b
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I) (5x+2y)³
5x+2y×(5x+2y)²
5x+2y×5x²+2y²+2(5x)(2y)
5x+2y×5x²+2y²+20xy
25x³+10xy²+100x²y+10x²y+4y³+40xy²
TAKE COMMON AND SOLVE
25x³+4y³+10xy²+40xy²+100x²y+10x²y
25x³+4y³+50xy²+110x²y ans.
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