solve (3x+2y)(3x-2y)(9x²+4y²) give me the answers please please please help me please please help please please
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Step-by-step explanation:
first u need to split first two brackets
and then next two brackets
but one main thing is that u need to have complete focus on signs.
the answer is 81x^4-16y^4
hope this makes u complete understand of this question
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