English, asked by yprabhakumari, 3 months ago

(2x+5)square - (2x+5) square -(2x-5)square

Answers

Answered by brijesh013

2

(2x)²-2×2x×5+(5)²

4x²-20x+25

Here is the answer

Answered by tanishpujhari7

1

Explanation:

=(2x+5)²-(2x+5)-(2x+5)²

=(49)-7-(49)

=42-49

=7x

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