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seraphim [82]
2 years ago
5

Which are the solutions of x2 = -13x – 4?

Mathematics
1 answer:
dezoksy [38]2 years ago
7 0

Answer:

x=3.75

Step-by-step explanation:

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2 years ago
Written as a simplified polynomial in standard form, what is the result when (3x+7)^2 is subtracted from 3?
nadezda [96]

Given:

(3x+7)^2 is subtracted from 3.

To find:

The result of the given statement in the standard form of the polynomial.

Solution:

We need to find the result when (3x+7)^2 is subtracted from 3.

So, the resulted polynomial can be written as:

P(x)=3-(3x+7)^2

On simplification, we get

P(x)=3-((3x)^2+2(3x)(7)+(7)^2)               [\because (a+b)^2=a^2+2ab+b^2]

P(x)=3-(9x^2+42x+49)

P(x)=3-9x^2-42x-49

P(x)=-9x^2-42x-46

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2 years ago
F(x)= x/x-7<br> What is the domain of f?
Dmitry [639]

Answer:

(-∞,7) U (7,∞)

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All real values of x such x ≠ 7

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3 years ago
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