Question 986003
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Limit one problem per post.
Any more, your wasting your time typing.
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0.7x - 0.5x^2 - 0.8 = -6.
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{{{-0.5x^2+0.7x+5.2=0}}}
{{{x^2-1.4x-10.4=0}}}
*[invoke quadratic "x", -0.5, 0.7, 5.2 ]
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ANSWER: x=-2.6 or x=4