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Montano1993 [528]
3 years ago
14

What is (2x^2+ 9x + 7) = (x + 1)? A. 2x+11 B. 7x+7 C. 2x+7 D. X+1

Mathematics
1 answer:
Romashka [77]3 years ago
3 0
<h2><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h2>

What is (2x² + 9x + 7) = (x + 1) ?

<h2><u>S</u><u>o</u><u>l</u><u>u</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h2>

2x² + 9x + 7 = x + 1

2x² + 9x - x + 7 - 1 = 0

2x² + 8x + 6 = 0

2(x² + 4x + 3) = 0

x² + 4x + 3 = 0

x² + 3x + x + 3 = 0

x( x + 3) + 1(x + 3) = 0

(x + 3)(x + 1) = 0

So, option (D) x + 1 is correct. [Answer]

<h3>\bf Hope \: it \: helps \: you .</h3>
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I hope this helps UwU

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True [87]
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[(3</span>³<span>x</span>³<span>y</span>⁻¹⁵<span>)/(x</span>⁸<span>y</span>⁻⁸<span>)]</span>⁻²<span>.

Negative exponents tell us to "flip" sides of the fraction, so within the parentheses we have
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(3</span>³<span>/x</span>⁵<span>y</span>⁷<span>)</span>⁻²<span>.

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Using the power of a power property again, we have
27</span>⁻²<span>/x</span>⁻¹⁰<span>y</span>⁻¹⁴<span>.

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zavuch27 [327]

Answer:

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Step-by-step explanation:

since LMN is a straight angle, the angles must all add up to 180 degrees.

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ikadub [295]

Answer:

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Step-by-step explanation:

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4 0
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