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Simplify (3x2 − 2) + (5x2 + 5x − 1).
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1 vote
Simplify (3x2 − 2) + (5x2 + 5x − 1).

User David Hatch
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2 Answers

3 votes

Answer: 9

The steps are in the picture

Simplify (3x2 − 2) + (5x2 + 5x − 1).-example-1
User Robsonrosa
by
4.7k points
7 votes

Answer:

8x² + 5x - 3

Explanation:

Given

(3x² - 2) + (5x² + 5x - 1)

Since both parenthesis are distributed by 1 just remove them, that is

3x² - 2 + 5x² + 5x - 1 ← collect like terms

= (3x² + 5x²) + 5x + (- 2 - 1)

= 8x² + 5x - 3

User Sheereen S
by
4.7k points
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