Question

X2-6X-7=0

Answer 1

ax^2+bx+C=0
Have this :
We have two answer there X1and X2
(1,2are just name of answers .)
And to find them :
-b+_Delta(under Radical)/2a
Delta=b^2-4ac
Got it ?:)

Answer 2

@IBRAHIM2009

Answer 3

u have to solve it by the forrmula

Answer 4

Yea !
Right :)

Answer 5

i hope u know the formula.it must be present in ur text book.

Answer 6

I said that :)
Look at to up please :)

Answer 7

quadratic formula=\[x=-b \pm \sqrt{b^2 -4ac}\div2a\] here a=1 b=-6 c=-7 hence by applying formula we get two roots which are 7 and -1