SOLUTION: I'm having trouble factoring out this problem, I didn't know where to post a factoring question so I apologize if this is the wrong place, but im trying to factor out x^2 - 15x - 2
Algebra.Com
Question 479551: I'm having trouble factoring out this problem, I didn't know where to post a factoring question so I apologize if this is the wrong place, but im trying to factor out x^2 - 15x - 2 I tried isolating the coefficient and constant and cross multiply to get the two numbers that = -15x, but I'm stumped lol, I'd appreciate a hand! Thannks!
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x^2 - 15x - 2
This can be done in many ways
x^2-15x+(7.5)^2-2=0
x^2-15x+(7.5)^2=2+(7.5)^2
(x-7.5)^2= 2+56.25
(x-7.5)^2=58.25
Take the square root of both sides
(x-7.5)= +/- sqrt(58.25)
(x-7.5)= 7.63
x= 7.5+7.63= 15.13
OR
x= 7.5-7.63= -0.13
m.ananth@hotmail.ca
RELATED QUESTIONS
Confused about this one. I got to the part where it's in a quadratic equation and I can... (answered by Alan3354)
I have a problem where I am supposed to write each rational expression in lowest terms... (answered by Earlsdon)
Im having trouble on factoring. The problem is 20a^3+37a^2+8a. I pulled out an a as the... (answered by rapaljer)
sqrt(9-x^2) where x=3sin...i understand it is factoring and i know the answer is 3|cos| i (answered by Edwin McCravy)
Hello I'm quite having a problem solving this since my teacher didn't teach it properly I (answered by josgarithmetic)
I'm working on factoring and multipliers and I 'm having trouble figuring out how they... (answered by Alan3354)
Hello. I couldn't find any section for factoring trinomials so i chose this one.
i have (answered by Alan3354)
I'm having a lot of trouble with factoring. This is the problem I haven't been able to... (answered by mukhopadhyay)
This is my first time using this site, so I apologize ahead of time if I do something... (answered by stanbon)