How do you use the quadratic formula to solve $2x^2+2x=4x-1$ ?

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Answer 1 · 2017-04-19T11:59:30

Find Delta first and then compute results.

Yur equation is
$2x^2-2x+1=0$

when you arrange your original equation. Now you can compute Delta:

$Delta=b^2-4ac$ (where b=-2, a=2 and c=1].

$Delta=4-8=-4$

If Delta is negative there is no solution (in real numbers)

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