evaluate using identity.(4x+5y)(4x-5y
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Answered by
7
4x+5y(4x-5y)
16x^2-20xy+20xy-25y^2
16x^2-25y^2
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16x^2-20xy+20xy-25y^2
16x^2-25y^2
HOPE IT WILL HELP U
PLEASE MARK IT AS BRAINLIEST ANSWER
YASHIKAJINDAL:
Thanks a lot for marking my answer as brainliest answer
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Answered by
2
a^2-b^2=(a+b)(a-b)
Therefore
(4x)^2-(5y)^2
=16x^2-25y^2
Therefore
(4x)^2-(5y)^2
=16x^2-25y^2
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