SOLUTION: Find the roots of the quadratic equations by the method of completing the square. Express the roots, if they are not rational, in simplest radical form.

SOLUTION: Find the roots of the quadratic equations by the method of completing the square. Express the roots, if they are not rational, in simplest radical form.

Algebra.Com

Question 41108: Find the roots of the quadratic equations by the method of completing the square. Express the roots, if they are not rational, in simplest radical form.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x^2 - 6x - 4 = 0
x^2-6x+9 =4+9
(x-3)^2 = 13
x-3=+-sqrt13
x=3+-sqrt13
x=3+sqrt13 or x=3-sqrt13
Cheers,
Stan H.
RELATED QUESTIONS
Find the roots of the equadratic equations by the method of completing the square.... (answered by fractalier)

Find the roots of the quadratic equations by the method of completing the square.... (answered by psbhowmick,lcarpenito)

Find the roots of the quadratic equations using the quadratic formula. Express the... (answered by fractalier)

Find the roots of the quadratic equations using the quadratic formula. Express the... (answered by fractalier)

Find the roots of the quadratic equations using the quadratic formula. Express the... (answered by fractalier)

Find the positive roots of the equation 4x squared +27x=40 by completing the square (answered by stanbon)

If the roots of a quadratic equation are -3 and 1/2 find the... (answered by Alan3354)

x^+85=18x solve by any method ( factoring, extracting square roots, or completing the... (answered by Fombitz)

Please show work. Consider the quadratic equations: x^2-2=0 Solve quadratic... (answered by Boreal)