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nataly862011 [7]
4 years ago
9

Question 4 of 10

Mathematics
1 answer:
MariettaO [177]4 years ago
3 0

Answer:

-x² + 12x + 3

Step-by-step explanation:

Step 1: Write expression

5x² + 9x + 3 - (6x² - 3x)

Step 2: Distribute

5x² + 9x + 3 - 6x² + 3x

Step 3: Combine like terms

-x² + 12x + 3

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7 0
3 years ago
M is the midpoint between E and D. If EM= 2x+3 and ED = 5x+10, what is ED?
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Step-by-step explanation:


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Answer:

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6 0
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