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Math help real fast

790 views · started by Taz ·
#1
Math help real fast
Im bored and i wanna finish fast.
I know people in here get A's and shit but i don't and im lazy so help me out.

X^2-2x+9=0

12x^2-36x-60=0

x^2+5x+5=0
#2
Taz wrote:
Im bored and i wanna finish fast.
I know people in here get A's and shit but i don't and im lazy so help me out.

X^2-2x+9=0

12x^2-36x-60=0

x^2+5x+5=0


explain to me why those are there
#3
gangsta omlett wrote:
explain to me why those are there


Shut the fuck up!
#7
Taz wrote:
Thats fake it gave me wrong answers.


I second this statement. lol
#8
My teacher teachs to fast and i have him first period so im always tired.
#9
x is the same for the three?

---------- Post added at 10:26 PM ---------- Previous post was at 10:25 PM ----------

If so
X^2-2x+9=0

12x^2-36x-60=0

x^2+5x+5=0
--------------
x^2+5x+5=X^2-2x+9
5x+5=-2x+9
7x=4
x=7/4
#10
Agustín wrote:
x is the same for the three?


What?

I almost got the second one done :P
#11
I see.
the use this formula:
[-b+-√(b^2-4.a.c)]/2.a

---------- Post added at 10:31 PM ---------- Previous post was at 10:31 PM ----------

12x^2-36x-60=
12 is a
36 is b
60 is c
#12
Ok im done i only did the second one he will understand and thanks for the help you guys and i had a procedure that i did that he showed us so you guys prob didn't know it.

---------- Post added at 09:32 PM ---------- Previous post was at 09:31 PM ----------

Agustín wrote:
I see.
the use this formula:
[-b+-√(b^2-4.a.c)]/2.a

---------- Post added at 10:31 PM ---------- Previous post was at 10:31 PM ----------

12x^2-36x-60=
12 is a
36 is b
60 is c


I see the one your doing but thats not the one im doing i did that procedure a while ago i got it this one is different.