3 years ago

X4 - x - 12 Completely factored form

Mathematics

1 answer:

sergeinik [125]3 years ago

3 0

Answer:

(X+2)(X-2)(X^2+3)

Step-by-step explanation:

X^4 - x - 12

(X^2-4) (X^2 + 3)

(X+ 2) (X - 2) (X^2 + 3)

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3 years ago

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A string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug. If the lights on the st

lilavasa [31]

Well if there is 28 feet, that would be (12x28) 336 inches, and 16 inches between the plug and the first light, there would be only 320 inches left for lights. therefore, if there are 4 inches between each light, we divide 320 by 4. the answer we get is 80. there are 80 lights.

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3 years ago

-x - 1 = 221 + 2x <br> plzzzzzzzzz help

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$Simplifying
-1x + -1 = 221 + 2x

Reorder the terms:
-1 + -1x = 221 + 2x

Solving
-1 + -1x = 221 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-1 + -1x + -2x = 221 + 2x + -2x

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$Combine like terms: 2x + -2x = 0
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3 years ago

X^2+10x-7 / x^2+10x+25=0 <br> how do i solve for x?

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3 years ago

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If 433 = 100% then what percent does 383 equal

Goryan [66]

Answer:

88.46%

Step-by-step explanation:

433 - 383 = 50

50 ÷ 433 = 0.1154

0.1154 x 100 = 11.54%

100% - 11.54% = 88.46%

<u>Check work:</u>

433 x 88.46% = 383

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2 years ago