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memeE15
21.10.2019 •
Mathematics
Find the product of (2x + 5y)(2x − 5y).
4x2 − 20xy + 25y2
4x2 + 20xy + 25y2
4x2 + 25y2
4x2 − 25y2
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Ответ:
Ответ:
Option D is correct.
the product of
is, ![4x^2-25y^2](/tpl/images/0338/3093/1924f.png)
Step-by-step explanation:
Using identity rule:
To find the product of:
Apply the identity rule:
here, a = 2x and b = 5y then
=![4x^2-25y^2](/tpl/images/0338/3093/1924f.png)
Therefore, the product of
is, ![4x^2-25y^2](/tpl/images/0338/3093/1924f.png)
Ответ:
Why?
Step-by-step explanation: Your answer is No.