Pam K.

asked • 10/03/12

quadratic equation

Please help me to solve :

X2 - 2x-13=0 with the following steps:

1. Move the constant term to the right side of the equation.

2.  Multiply each term in the equation by four times the coefficeint of the x2 term.

3.  Square the coefficient of the original x term and add it to both sides of the equation.

4.  Take the square root of both sides.

5.  Set the left side of the equation equal to the positve square root of the number on the right side and solve for x.

6.  Set the left side of the equation equal to the negative square root of the number on the right side and solve for x.

7.  Set the left side of the equation equal to the negative square root of the number on the right side of the equation and solve for x.

1 Expert Answer

By:

Nicole C. answered • 10/03/12

Tutor
4.9 (167)

Increase confidence in math and science, chemistry, algebra II

Pam K.

Great, thank you so much.  I was stuck at step 3.  I have several others to do, so this will help. 

Report

10/04/12

Nicole C.

Thanks for the feedback.

Report

10/04/12

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