Question

please help

Answer 1

It's just the quadratic formula, why not just plug in the variables your self and see?

Answer 2

\[\huge x = \frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]

Answer 3

The standard form is this

\[\huge ax^2+bx+c = 0\]

Answer 4

-5 + 2x^2 = -6x
2x^2+6x-5 =0

a:2
b:6
c=-5

Plug the values in the formula which batman gave,and you will ofcourse get the right answer @trollface