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m_a_m_a [10]
2 years ago
7

Hello! someone please answer this. this is due tomorrow, Monday and I don't get any of it. ty!​

Mathematics
1 answer:
Bess [88]2 years ago
8 0
You want to combine like terms :). This means the terms that are the same will be added or subtracted depending on their sign at the beginning.
1) x^2 +x+3-4x
Rearrange first to put like terms together

X^2 +x-4x +3

Your answer to a would be…
x^2 -3x+3
Lmk if you would like me to do another problem for extra practice!
Hope that helps!
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<h3>Answer:</h3>

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<h3>Step-by-step explanation:</h3>

We know that x=-2, so substitute that into the equation. y=3^{-2}

With negative powers, instead of making the result negative, you divide one by it.  Mathematically speaking, x^{-y}=\frac{1}{x^y}.  This makes our equation: y=\frac{1}{3^2}

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