How do you solve $x^2 = 7x +8$ using the quadratic formula?

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Answer 1 · 2016-04-11T14:01:16

-1 and 8

$y = x^2 - 7x - 8 = 0$
Since (a - b + c = 0), use shortcut.
The 2 real roots are: - 1 and $-c/a = 8.$

Reminder of Shortcut.

How do you solve x^2 = 7x +8x^2 = 7x +8 using the quadratic formula?