Question

X^2-8X=10

Answer 1

x^2 - 8x -10 = 0

Answer 2

this cant be factorized.

Answer 3

use the quadratic formula.

Answer 4

Yes it can sweetie

Answer 5

I just don't know how lol

Answer 6

No it can't :D

Answer 7

no it can't be

Answer 8

a = 1
b = -8
c = -10

insert them respectively,

\[\Huge \frac{-(b) \pm \sqrt{b^2-4ac}}{2a}\]

Answer 9

I just don't know how lol

Answer 10

trust me, it was...

Answer 11

u knw the values of a,b & c right?

Answer 12

I just don't know how lol

Answer 13

nope

Answer 14

ok im back what i miss

Answer 15

Face. Come help explain how to answer my question :D

Answer 16

I just don't know how lol

Answer 17

I just give up on this math bull ish

Answer 18

Devette, all you need to know is:

Answer 19

\[x=4\sqrt{26},4-\sqrt{26}\]
or
x=9.099019
x=-1.09902

Answer 20

c'mon facebook... let her learn, instead of giving answers!

Answer 21

when you can't factor something, as in your case, no two numbers multiply to 10 while adding to 8. So in your case, you need to use the quadratic.

Answer 22

I just don't know how lol

Answer 23

I want to learn it but I just can't grasp the concept

Answer 24

my name is Face not facebook ty

Answer 25

LOL, facebook.

Answer 26

the quadratic is that equation saifoo posted. And your a b and c values are in your equation! the a value is 1 if you just have an x with no coefficient by your first term, and your b value is the coefficient infront of your second x, and your c value is the last number in the equation. This is all horribly general

Answer 27

I just don't know how lol

Answer 28

lol @ face

Answer 29

http://www.youtube.com/watch?v=s80J2dAUUyI

Answer 30

saifoo. care to help me with my question :D You're awesim.

Answer 31

mhmm he just couldn't answer it but wants to make name jokes lol its ok saifool

Answer 32

u all have a goodnight

Answer 33

My,brain, lets give it a try! :)

Answer 34

okay, it's the "I'm working with functions" question

Answer 35

lol, here is nothing as such @facebook.

Answer 36

ok saifool come take a look at my question mr brainiac

Answer 37

\[\frac{-(-8)\pm \sqrt{-8^2-(4*1*(-10))}}{2*1}\]

Answer 38

where is your question:?

Answer 39

I just posted it

Answer 40

I took one look and ran away face.

Answer 41

\[\frac{8\pm \sqrt{64+40}}{2}=\frac{8\pm \sqrt{104}}{2}\]\[\frac{8\pm2 \sqrt{26}}{2}=4\pm \sqrt{26}\]

Answer 42

x=9.099019514
or:
x= -1.099019514
you round, the rest it your

Answer 43

No mybrain I just went to deal with more complicated things. :-)