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OpenStudy (anonymous):
Find the x-intercepts for the parabola defined by the equation below. y = 2x2 + 2x - 4
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OpenStudy (jdoe0001):
set y = 0, that is \(\bf 0= 2x^2 + 2x - 4\) solve for "x"
OpenStudy (jdoe0001):
keep in mind that \(\bf 0= 2x^2 + 2x - 4\implies 0= 2(x^2 + x - 2)\) factor the grouped terms, then solve for "x"
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