SOLUTION: x^2+14x-31=0

Algebra.Com
Question 200025This question is from textbook Algebra 2
: x^2+14x-31=0 This question is from textbook Algebra 2

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice that the quadratic is in the form of where , , and


Let's use the quadratic formula to solve for "x":


Start with the quadratic formula


Plug in , , and


Square to get .


Multiply to get


Rewrite as


Add to to get


Multiply and to get .


Simplify the square root (note: If you need help with simplifying square roots, check out this solver)


Break up the fraction.


Reduce.


or Break up the expression.


So the solutions are or


which approximate to or

RELATED QUESTIONS

x^2+14x+45=0 (answered by rapaljer)
x^2+14x+48=0 (answered by jim_thompson5910)
x^2-14x-6=0 (answered by jim_thompson5910)
solve equation.... (answered by bucky)
x^2+14x-9 (answered by Alan3354)
X^2+14x+24 (answered by IFY)
x^2 + 14x + 4 = 0 Solve for x (answered by robertb)
Solve for x.... (answered by Tatiana_Stebko)
x^2 + y^2 + 14x + 12y + 84=0 (answered by ewatrrr)