Question

Solve x2 + 6x + 7 = 0

Answer 1

\[-b \pm \frac{ \sqrt{b^2-4ac} }{2a }\] Apply that, remember your equation is ax^2+bx+c=0

Answer 2

x = –1 and x = –5 ??

Answer 3

?

Answer 4

here a=1, b=6 & c=7.


\[\Huge{-(6) \pm \sqrt{(6)^2-4(1)(7)}\over2(1)}\]