from the sum of ( 9.+3x) and (7-4x + 2x²) subtract the sum of ( 3x² - 5 x ) and ( -x ² + 2x + 5)
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Answer:
2x + 11
Step-by-step explanation:
(9 + 3x) + (7 - 4x + 2x²)
= 9+3x + 7-4x+2x²
= 2x²-x+16
(3x² - 5x) + (- x ² + 2x + 5)
= 3x² - 5x - x ² + 2x + 5
= 2x² - 3x + 5
(2x²- x + 16) - (2x² - 3x + 5)
2x²- x + 16 - 2x² + 3x - 5
2x + 11
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