cassidylynnadkozxrs5 cassidylynnadkozxrs5

01-01-2021
Mathematics

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Simplify: (5x2 - 9x + 3) + (4x2 + 4x - 12)
(1) 9x2 + 5x - 9
2) 9x2 - 5x + 15
3) 9x² - 5x-9
4) 9x2 - 13x - 9

Respuesta :

devishri1977 devishri1977

01-01-2021

Answer:

3) 9x² - 5x - 9

Step-by-step explanation:

Combine like terms

5x² - 9x + 3 + 4x² + 4x - 12 = 5x² + 4x² - 9x + 4x + 3 - 12

= 9x² - 5x - 9

Answer Link

mirsalikhovh mirsalikhovh

29-04-2022

Answer:

3) 9x² - 5x - 9

Step-by-step explanation:

Answer Link

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