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alizeleach0123

alizeleach0123

27.07.2020 •

Mathematics

With steps... Thanks..

With steps... Thanks..

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Ответ:

lizredrose5

30.01.2022

$\boxed{-25x-y}$

$\boxed{-p^2q +5pq^2}$

Step-by-step explanation:

(-15x+6y)-(10x+7y)

Distribute negative sign.

-15x+6y-10x-7x

Combine like terms.

$\boxed{-25x-y}$

2pq(p+q)- (3pq(p-q))

Expand brackets.

2p^2 q+2pq^2 -(3p^2q-3pq^2)

Distribute negative sign.

-3p^2q+3pq^2+2p^2q+2pq^2

Combine like terms.

$\boxed{-p^2q +5pq^2}$

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Ответ:

isabelleecurtis

02.02.2023

Actually, (2,-2) is the solution for the system

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