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Dahasolnce [82]
3 years ago
15

9 + 12 = 12 + 9

Mathematics
1 answer:
zimovet [89]3 years ago
5 0

Answer:

it has to be d

Step-by-step explanation:

yes

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Subtract
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Answer:

A. 4x² - 2x + 11

Step-by-step explanation:

(4x² + 6) - (2x - 5) =

Drop the first set of parentheses since it is unnecessary.

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To drop the second set of parentheses, you must change every sign inside the parentheses.

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Now combine like terms.

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Step-by-step explanation:

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