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Subtract -2x^2-6x from -2x^2+9

Subtract -2x^2-6x from -2x^2+9
asked 29.9k views
2 votes
Subtract -2x^2-6x from -2x^2+9

asked
User Maksym Demidas
by
8.7k points

1 Answer

3 votes

Answer:

6x + 9

Explanation:

- 2x² + 9 - (- 2x² - 6x) ← distribute parenthesis by - 1

= - 2x² + 9 + 2x² + 6x ← collect like terms

= 6x + 9

answered
User Andrew Cumming
by
8.5k points
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