3) Expand : (3x + 5y)²
Answers
Answered by
4
(3x+5y)²
=(3x)²+(5y)²+2(3x)(5y)
= 9x²+25y²+30xy
please mark me as brainliest
Answered by
0
9x^2+30xy+25y^2 is the solution
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