Lhatigger
Lhatigger
05-03-2017
Mathematics
contestada
Rewrite quadratic equation
-×^2+2x-10
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NarwhalMaster12
NarwhalMaster12
05-03-2017
it has no solution because it is not factorable
Answer Link
socarrer
socarrer
05-03-2017
x=[tex] \frac{-b+/- \sqrt{b^{2}-4ac } }{2a} [/tex]
a=-1, b=2, c=10
x=[tex] \frac{-2+/- \sqrt{4-4(-1)(10)} }{2(-1)} [/tex]
x=[tex] \frac{-2+/- \sqrt{44}}{-2} [/tex]
x=[tex] \frac{-2+/-2 \sqrt{11}}{-2} [/tex]
x=[tex]{1+/-(-1)\sqrt{11}[/tex]
Answer Link
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