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Mathematics
Tanya Briggs
17 March, 17:18
2x2+3x+7 - (5x2-6x+9)
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Uriah Hood
17 March, 18:47
0
- 3x² + 9x - 2
Step-by-step explanation:
Given
2x² + 3x + 7 - (5x² - 6x + 9) ← distribute the parenthesis by - 1
= 2x² + 3x + 7 - 5x² + 6x - 9 ← collect like terms
= - 3x² + 9x - 2
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