You combined the x’s together then u wanna move all the x’s to one side then after that you would want to do the opposite of -7, so then you add 7 to 10 and then you would divide everything by 2 and get x=8.5
The question is asking us to find the sum. To do this, let's first write the original equation and then take it from there.
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Use distributive property:
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Combine Like Terms:
Therefore, the answer to your question is
-4x² + 3x + 4. Hope this helps and have a fantastic day!
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