SOLUTION: using the quadratic equation x2-4x-5=0 perform the following task:
solve by completing the square.
how do i do this im lost thank you.
Algebra.Com
Question 31450: using the quadratic equation x2-4x-5=0 perform the following task:
solve by completing the square.
how do i do this im lost thank you.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve by completing the square:
First add 5 to both sides of the equation.
Now complete the square in the x-terms by adding the square of half the x-coefficient ()to both sides of the equation.
Now factor the left side.
Take the square root of both sides.
or So:
and/or
The roots are:
RELATED QUESTIONS
using the quadratic equation x² - 4x - 5 = 0,
perform the following task:
solve by... (answered by AnlytcPhil)
Please help. I do not understand how to do this.
1) Using the quadratic equation x2 (answered by elima)
Using the quadratic equation x2-3x+2=0 perform the following tasks:
solve by... (answered by sdmmadam@yahoo.com)
1) Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks:
a) Solve (answered by mukhopadhyay)
Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks:
a) Solve by... (answered by fractalier)
1) Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks:
a) Solve (answered by josmiceli)
Using the quadratic equation x^2 - 4x - 5 = 0, perform the following tasks:
Solve by... (answered by ikdeep)
how do i Solve by completing the square of x2 - 4x - 5 =... (answered by rapaljer)
Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks:
a) Solve by... (answered by funmath)