Expond (2x
+ 3y +52)
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Answer:
The given expression (2x+3y)(2x−3y) can be expanded as shown below:
(2x+3y)(2x−3y)
=[(2x×2x)+(2x×−3y)+(3y×2x)+(3y×−3y)]
=4x
2
−6xy+6xy−9y
2
=4x
2
−9y
2
Hence (2x+3y)(2x−3y)=4x
2
−9y
2
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