Simplify the following expression by combining like terms. 3x + 4x² - 7x+ 9x2

Laughedelic asked Nov 5, 2022

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31 votes

Simplify the following expression by combining like terms.
3x + 4x² - 7x+ 9x2

Laughedelic asked Nov 5, 2022

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11 votes

Answer:

13x² - 4x

Explanation:

3x + 4x² - 7x + 9x² ← collect like terms

= (4x² + 9x² ) + (3x - 7x)

= 13x² + (- 4x)

= 13x² - 4x

Jarmund answered Nov 9, 2022

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