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14-08-2017
Mathematics

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Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula?

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amirreza688 amirreza688

14-08-2017

x^2-x-4+2=0
x^2-x-2=0
a=1
b=-1
c=-2

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