Simplify using Algebraic identity. (x+3y)²-(x-3y)²
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3
Answer:
x+3y² x -x-3y²
=x+6y2²
is your answer
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2
answer is (x square +3y square
+6xy ) -(x square +3y square -6xy ) = 9y square + 9y square so answer is 18 y squares
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