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Lina20 [59]
1 year ago
5

Multiply k+3/4K - 2 (12k2 +2k -4)

Mathematics
1 answer:
Kisachek [45]1 year ago
6 0

Answer:

-204kk+3+32k/4k

Hope this helps!!

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Factor the polynomial function over the complex numbers. f(x)=x^4-x^3-2x−4 Enter your answer in the box. f(x) = The answer is: (
Vladimir79 [104]

Answer:

Factors: (x+i\sqrt2)(x-i\sqrt2)(x+1)(x-2)=0

Step-by-step explanation:

We are given a polynomial:

f(x)=x^4-x^3-2x-4

We have to factor the given polynomial into its complex factors.

The factorization can be done as follows:

f(x)=x^4-x^3-2x-4 = 0\\x^4-x^3-2x-4 = 0\\x^4-4-x^3-2x=0\\\text{Identity: }a^2-b^2 = (a+b)(a-b)\\(x^4-4)-(x^3+2x) = 0\\(x^2+2)(x^2-2)-x(x^2+2) = 0\\(x^2+2)(x^2-2-x) = 0\\(x^2+2)(x^2-x-2) = 0\\(x^2+2)(x^2-2x-+x-2) = 0\\(x^2+2)((x(x-2)+1(x-2))=0\\(x^2+2)(x+1)(x-2)=0\\\text{Identity: }a^2-b^2 = (a+b)(a-b)\\(x^2-(\sqrt{-2})^2)(x+1)(x-2)=0\\(x+i\sqrt2)(x-i\sqrt2)(x+1)(x-2)=0

8 0
3 years ago
WILL GIVE BRAINLIEST!<br> Given that ℓ1 ∥ ℓ2 and y = 20°, find x.<br> x = <br> °
BabaBlast [244]
X will equal 40.

EXPLANATION: since they’re parallel and these are opposite angles, add them together to equal 180.
x+(20)+3x=180.
add common variables.
4x+20=180
subtract 29 from both sides
4x=160
divide each side by 4 so isolate x
x=40
3 0
3 years ago
Helpppppppppppppppppppp plsssss​
diamong [38]

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b

Step-by-step explanation:

5 0
3 years ago
Many fans stood on a street that was 15 feet deep on both sides and about ¾ of a mile long. How many fans were in the street? "R
Gnom [1K]

Answer:

my answer would be 2500

Step-by-step explanation:

just a guess

8 0
3 years ago
If h(x) = -4x - 10, find h(-5)
Neko [114]

Answer:

zero.

Step-by-step explanation:

. Here are the steps. h(x) = -5x - 10. h(-2) = -5(-2) - 10. h(-2) = 10 - 10. h(-2) = 0. Have a great day

4 0
2 years ago
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