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Crazy boy [7]
2 years ago
11

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

Mathematics
2 answers:
kompoz [17]2 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]2 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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Lorico [155]

A possible solution to the inequality is 2 hotdogs and 8 tacos.

Let x represents the number of hotdogs purchased and y represents the number of tacos purchased.

Gabriella has $30 to spend and must buy a minimum of 9 hotdogs and tacos altogether.

Hence:

4x + 2y ≤ 30    (1)

x + y ≥ 9      (2)

Also:

x ≥ 2   (3)

A possible solution to the inequality is 2 hotdogs and 8 tacos.

Find out more on inequality at: brainly.com/question/241541

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Answer:

D

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3 (4x + 18y) means that 3 will multiply 4x and 18y factor which results to 12x + 54y

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Let w represent the width of the rectangle in cm. Then its length in cm is (3w+9). The perimeter is the sum of two lengths and two widths, so is ...

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