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sweet [91]
3 years ago
5

Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2)

Mathematics
2 answers:
lys-0071 [83]3 years ago
6 0

Answe

-5x³ + 4x² - 5x

Step-by-step explanation:

got it right on the quiz

zmey [24]3 years ago
5 0
(3x³ + 2x² - 5x) - (8x³ - 2x²<span>) =
</span>3x³ + 2x² - 5x - 8x³ + 2x² =
-5x³ + 4x² - 5x
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Which of the following would be an acceptable first step in simplifying the expression (sinx)/(1 + sinx) ?. A.1/(cscx + sinx). B
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9) Solve by the elimination method.<br><br> x + y = -5<br> x - y = 11
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<h2><u>Answer:</u></h2>

x = 3

y = -8

<h2><u>Step-by-step explanation:</u></h2>

x + y = -5

x - y = 11

Since the y's will cancel out, we don't need to modify the two equations in any way.

Now, just add the two equations.

x + x = 2x

y + (-y) = 0

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Divide by 2.

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Answer:

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Step-by-step explanation:

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