evaluate:-. (2x+3y)(2x+3y)
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(2x+3y)²= 4x²+9y²+12xy
Answered by
1
Step-by-step explanation:
=(2x+3y)²
using (a+b)²=a²+b²+2ab
=(2x)²+(3y)²+2×2x+3y
= 4x²+ 9y²+12xy
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