SOLUTION:
x^2-12x-15
Algebra.Com
Question 593543:
x^2-12x-15
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
ince the factors are not integers we can find the solution by using the quadratic formula
Find the roots of the equation by quadratic formula
a= 1 , b= -12 , c= -15
b^2-4ac= 144 + 60
b^2-4ac= 204
x1=( 12 + 14.28 )/ 2
x1= 13.14
x2=( 12 -14.28 ) / 2
x2= -1.14
(13.14,-1.14)
m.ananth@hotmail.ca
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