SOLUTION: Use the quadratic formula to solve the equation 4x^2 - 36x = 48

Algebra.Com
Question 108757: Use the quadratic formula to solve the equation
4x^2 - 36x = 48

Answer by elima(1433)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=2064 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 10.1789083458003, -1.17890834580027. Here's your graph:

:)

RELATED QUESTIONS

Use the Quadratic Formula to find the zeros of the equation.... (answered by solver91311)
Use the quadratic formula to solve the following quadratic equation x^2- 4x+ 2 =0 (answered by jim_thompson5910)
Use the quadratic formula to solve the following quadratic equation. __ 4x^2+ 5x = 6 (answered by stanbon)
Use the quadratic formula to solve the equation. 3x^2-36x=72 The answer is going to (answered by KnightOwlTutor)
Use the quadratic formula to solve the equation.... (answered by stanbon,MathLover1)
Use the quadratic formula to solve each equation.... (answered by stanbon)
use the quadratic formula to solve the equation.... (answered by darq)
Use the quadratic formula to solve the equation. 3x^2 - 4x - 7 =... (answered by jim_thompson5910)
Use the quadratic formula to solve the equation. 3x^2 - 4x - 7 =... (answered by jim_thompson5910)