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algol13
1 year ago
11

(9x + 1) − (−7x² + 4x + 10)

Mathematics
1 answer:
Fudgin [204]1 year ago
6 0

Answer:

7x² + 5x - 9

Step-by-step explanation:

(9x + 1) - (- 7x² + 4x + 10) ← distribute parenthesis by - 1

= 9x + 1 + 7x² - 4x - 10 ← collect like terms

= 7x² + 5x - 9

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