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bugbug26
14.07.2021 •
Mathematics
Simplify the expression below?
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Ответ:
(B)![9k^2+5k-1](/tpl/images/1393/8776/c228e.png)
Step-by-step explanation:
Add![4k^2 + 5k^2](/tpl/images/1393/8776/7e28f.png)
Then
and you get -1
Ответ:
(x^a)(x^b)=x^(a+b)
(ab)(cd)=(a)(b)(c)(d)
x^-m=1/(x^m)
(3y^-4)(2y^-4)=
(3)(y^-4)(2)(y^-4)=
(6)(y^-8)=
6/(y^8)