SOLUTION: 9n2=-5+7n
Algebra
->
Quadratic Equations and Parabolas
-> SOLUTION: 9n2=-5+7n
Log On
Quadratics: solvers
Quadratics
Practice!
Practice
Answers archive
Answers
Lessons
Lessons
Word Problems
Word
In Depth
In
Click here to see ALL problems on Quadratic Equations
Question 167088
:
9n2=-5+7n
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
9n2=-5+7n
9n^2-7n+5=0
n=(7+-sqrt[-7^2-4*9*5])/2*9
n=(7+-sqrt[49-180])/18
n=(7+-sqrt-131)/18
n=(7+-11.4455i)/18
n=7/18+-11.4455i/18
n=.388888+-.63586i answers.