Teedollasign
03.12.2019 •
Mathematics
Find the product.
(3n - 10p)^2
6n^2 - 30np + 20p^2
9n^2 - 60np + 100p^2
9n^2 - 100p^2
9n^2 - 20p + 100p^2
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Ответ:
=(3n-10p)(3n-10p)
=9n^2-10p-10p+100p^2
=9n^2-20p+100p^2
Ответ: