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Vladimir79 [104]
3 years ago
12

How do you factor 4x^3 -28^2-x+7

Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer:

-x+4

Step-by-step explanation:

given that

(x^3-4x^2+7x-28)÷(x^2+7)

or

first (x^2+7) × -x = -x^3-7x

so (x^3-4x^2+7x-28) + (-x^3-7x) = -4x^2-28

agian (x^2+7)×(4) = 4x^2+28

so, (-4x^2-28) + (4x^2+28) = 0

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Find the x value 4x-28 9x
andriy [413]

Answer: -5.6

Step-by-step explanation:

Simplifying

(4x + -28) = 9x

Reorder the terms:

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Remove parenthesis around (-28 + 4x)

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Solving

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Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.

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Combine like terms: 9x + -9x = 0

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Add '28' to each side of the equation.

-28 + 28 + -5x = 0 + 28

Combine like terms: -28 + 28 = 0

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Combine like terms: 0 + 28 = 28

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Simplifying

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5 0
3 years ago
Alexandria,a car dealer,earns 40% commission of her luxury vehicles sales. Last year,her sales were $480,000. What was the total
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