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3 years ago

If x-9 is a factor of x^2-5x-36, what is the other factor

Mathematics

1 answer:

White raven [17]3 years ago

8 0

Answer: x+4

Step-by-step explanation:

(x-9)(x+4)= x^2-5x-36

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Solve for x. x= Look at image

postnew [5]

Answer:

$x = 14$

Step-by-step explanation:

To find x, the following equation is generated given the available information:

$\frac{(x + 7) + x)}{x + 7} = \frac{12 + 8}{12}$

$\frac{2x + 7}{x + 7} = \frac{20}{12}$

$\frac{2x + 7}{x + 7} = \frac{5}{3}$

Cross multiply

$3(2x + 7) = 5(x + 7)$

$6x + 21 = 5x + 35$

Collect like terms

$6x - 5x = - 21 + 35$

$x = - 21 + 35$

$x = 14$

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2 years ago

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Natalka [10]

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2 years ago

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3 years ago

What is the quadratic formula of 4x2+3x+5=0

maxonik [38]

4x² + 3x + 5 = 0
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x = -3 +/- √(9 - 80)
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x = -3 +/- √(71) × √(-1)
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x = -3 +/- 8.43i
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2 years ago

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