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For the x intercepts, y = 0 ie 0 = 2x2 + 2x - 4

or x2 + x - 2 = 0 so that (x + 2)*(x - 1) = 0

So the intercepts are (-2,0) and (1,0)

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Q: What is the x-intercepts y equals 2x2 plus 2x - 4?
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