SOLUTION: Three times the square of a certain positive number exceeds six times the number by nine. Fine the number:
Algebra.Com
Question 425483: Three times the square of a certain positive number exceeds six times the number by nine. Fine the number:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Three times the square of a certain positive number exceeds six times the number by nine.
Find the number:
:
3x^2 = 6x + 9
3x^2 - 6x - 9 = 0
simplify, divide by 3, resulting in:
x^2 - 2x - 3 = 0
Factors to
(x-3)(x+1)
Two solutions
x = 3
x = -1
:
You can check both solution in original equation
RELATED QUESTIONS
three times the square of a certain positive number exceeds six times the number by nine. (answered by mananth)
three times the square of a certain positive number exceeds the number six times by... (answered by Fombitz)
4. Three times the square of a certain positive number exceeds six times the... (answered by checkley71)
Three times the square of a certain positive number exceeds six times the number by nine. (answered by checkley71)
three times the square of a certain positive number exceeds six times the number by nine. (answered by Alan3354)
Three times the square of a certain positive number exceeds six times the number by nine. (answered by stanbon)
three times the square of a certain positive number exceeds six times the number by nine. (answered by ankor@dixie-net.com)
Three times the square of a certain positive number exceeds six times the number by nine. (answered by greenestamps)
Three times the square of a certain postive number exceeds six times the number by nine.... (answered by RAY100,Edwin McCravy)