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5 votes
Simplify the following expression:

Simplify the following expression:-example-1
User Cyberdenz
by
8.4k points

2 Answers

1 vote

Answer:


= 3 {x}^(2) + 10x - y
(last option)

Explanation:


2x - 8y + 3 {x}^(2) + 7y - 12x


2x - 12x = (2 - 12)x = - 10x


- 10x - 8y + 3 {x}^(2) + 7y


- 8 + 7y = ( - 8 + 7)y = - 1y = - y


= 3 {x}^(2) + 10x - y

User Csilk
by
7.8k points
3 votes

Answer:

3x^2-15y-10x

Explanation:

2x-12x-8y+7y+3x^2

-10x-15y+3x^2

3x^2-15y-10x

User Piotr Krysiak
by
8.7k points

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