SOLUTION: (x-3)(x+5)=7 i need to solve this problem. I tried factoring it out but it doesnt work so i need to use the quadratic equation to find the answers
Algebra.Com
Question 362374: (x-3)(x+5)=7 i need to solve this problem. I tried factoring it out but it doesnt work so i need to use the quadratic equation to find the answers
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
(x-3)(x+5)=7
x^2+5x-3x-15=7
x^2+2x-15-7=0
x^2+2x-22=0
discriminant =92
x1=3.79
x2=
x2=-5.79
...
m.ananth@hotmail.ca
RELATED QUESTIONS
i need to solve this equation for x:
x^3+ 7.07x^2 + 2.72x -14.75=0
i tried factoring... (answered by stanbon)
I need some help with this problem. I have tried to work it and cannot seem to come up... (answered by ankor@dixie-net.com,mangopeeler07)
I need help on how to solve this equation its factoring by grouping. I tried it but I... (answered by solver91311)
Hello. My question is {{{(2x-3)(x+4)=6}}} I need to solve by factoring. I tried to but (answered by richard1234)
I need help completing the square for this problem.
16x^2-16x-5=0
So far I have... (answered by Msgenes)
I need help solving this quadratic equation and leaving it in radical form I don't know... (answered by mananth)
I saw this equation in another's question and I need help solving for x even though I... (answered by macston,josmiceli)
Solve for "x"
x^2/3=x/5
I tried to solve but it doesnt check:
x^2/3=x/5
5x^2=3x
(answered by stanbon)
I need some help on how to do a certain problem:
Find the function of
x (answered by solver91311)