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castortr0y [4]
3 years ago
13

What equation results from completing the square and then factoring? x^2-8x=39

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

Answer: (x-4)²=55

Step-by-step explanation:

This is apex answer

erma4kov [3.2K]3 years ago
6 0
We have that
x²<span>-8x=39
</span>

<span>Group terms that contain the same variable</span>

(x²-8x)=39

Complete the square. Remember to balance the equation by adding the same constants to each side

(x²-8x+16)=39+16

Rewrite as perfect squares

(x-4)²=55-------> (x-4)²-55=0

(+/-)]x-4]=√55

(+)]x-4]=√55--------> x=4+√55

(-)]x-4]=√55-------> x=4-√55


the answer is

 (x-4)²-55=0


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Reina and Sam are multiplying (84)5 (73)9.
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<span>This is a tricky question that Reina and Sam are multiplying (84)5 (73)9
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Actually they are doing or multiplying using exponents.

</span>

Reina’s work (8⁴)₅(7³)⁹=8⁴⁺⁵+ 7³⁺⁹= 8⁹ 7¹²<span>
This is incorrect  because she added exponents instead of multiplying exponents

Sams work (8</span>⁴<span>)</span>⁵<span> (7</span>³<span>)</span>⁹<span>=8</span>⁴ˣ⁵<span> 7</span>³ˣ⁹<span>= 8</span>²⁰<span> 7</span>²⁷<span>
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3 years ago
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The answer to the question is 4x - y ≥ 4
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4 years ago
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Answer:

its not there

Step-by-step explanation:

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