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3 years ago

What is the answer to 5+x=-9

Mathematics

2 answers:

aleksandr82 [10.1K]3 years ago

6 0

5+x=-9

Use the subtractive property of equality to isolate x.

5+x=-9

-5 -5

x=-14

The value that satisfies x is -14. You can check your work by substituting x as -14 and checking if the equation is satisfied.

5+x=-9

x=-14

5+(-14)=-9

5-14=-9

-9=-9

the answer is correct. Succinctly, x=-14.

Alexus [3.1K]3 years ago

3 0

Subtract -9 by 5 and x should be -14.

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Factor 64 - P. (8 - x(8 - x) (8 + x (8 - x) (X + 8)(x-8)

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Factor $64-x^2$

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Answer:

Option B: $(8+x)(8-x)$ is the factor

Explanation:

Given that the expression is $64-x^2$

We need to find the factor of the given expression.

Let us rewrite the expression as $8^2-x^{2}$

Since the expression is of the form $a^2-b^2$ , let us use the identity $a^2-b^2=(a+b)(a-b)$

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