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solve and check 2x^2+2x=4
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I'd probably start by dividing both sides by 2 for reducing the work. :)
C'mon, give it a try.
2x^2/2 +2x=4/2
You should get this:\[x^2 + x = 2 \implies x^2 + x - 2 = 0 \]There's a quadratic equation.
what do I have to do next?
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the answer is 2, 0
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