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Crazy boy [7]
3 years ago
11

Simplify the following expression. -4(2x +6) +x2 -9

Mathematics
2 answers:
kompoz [17]3 years ago
7 0

Step-by-step explanation:

<u>Use the Distributive Property:</u>

<u />-8x-24+x^2-9

<u>Combine Like-Terms and correctly format:</u>

<u />x^2-8x-33

nevsk [136]3 years ago
6 0

Answer:

x² - 8x - 15

Step-by-step explanation:

-4(2x + 6) + x² - 9

= -8x - 24 + x² - 9

= x² - 8x - 33

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Complete Question

Mr Sampson fills the family pool with water for the summer.After two hours,the water has reached a depth of 2.5 feet. After three hours,the water level has risen to 3 3/4 feet.If the relationship between time and water depth is proportional,what is the constant of proportionality?

Answer:

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Step-by-step explanation:

Time is proportional to Depth

Hence:

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