nathanbarnett650 nathanbarnett650

17-07-2020
Mathematics

contestada

(x2 − 3x + 8) − (7x2 − 2x − 1)

Respuesta :

jimrgrant1 jimrgrant1

17-07-2020

Answer:

- 6x² - x + 9

Step-by-step explanation:

Given

(x² - 3x + 8) - (7x² - 2x - 1)

Distribute the first parenthesis by 1 and the second by - 1

= x² - 3x + 8 - 7x² + 2x + 1 ← collect like terms

= - 6x² - x + 9

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