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MaRussiya [10]
4 years ago
6

Given A=5x^2 and B=-3x^2+6 give the expression that represents A+B

Mathematics
1 answer:
PtichkaEL [24]4 years ago
4 0
Since both A and B are squared they can be added normally. So A+B would be 
(5x^2)+(-3x^2+6) = 2x^2+6.
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Answer:

<h2>x=-2 or x=8</h2>

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Isolate by the x from one side of the equation.

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Add 3 from both sides.

x-3+3=-5+3

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Add 3 from both sides.

x-3+3=5+3

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divide 15 by three

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