SOLUTION: Solve by completing the sqaure. Express radical answers as exact roots in simplest radical form and as approximate roots, to the nearest hundreth. x^2+4x+1=0

SOLUTION: Solve by completing the sqaure. Express radical answers as exact roots in simplest radical form and as approximate roots, to the nearest hundreth. x^2+4x+1=0

Algebra.Com

Question 304635: Solve by completing the sqaure. Express radical answers as exact roots in simplest radical form and as approximate roots, to the nearest hundreth.
x^2+4x+1=0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Take 1/2 of the x coefficient, square it, add it to both sides of the equation.

or approximately
and

RELATED QUESTIONS
Solve by completing the square:4x^2+8x-7=0.Express roots in EXACT radical... (answered by Fombitz)

Find the roots of the quadratic equations by the method of completing the square.... (answered by stanbon)

Solve by using the quadratic formula: 4x^2-6x=9. Express roots in EXACT radical form if... (answered by solver91311)

Find the roots of the equadratic equations by the method of completing the square.... (answered by fractalier)

Can you please help me solve the following by using the quadratic formula and leave... (answered by josmiceli)

This is a question that must be solved by completing the square. The solution must be... (answered by Earlsdon)

can you please help me solve by using the quadratic formula and leave irrational roots in (answered by jim_thompson5910)

Solve the equation by completing the square. a. Write irrational numbers in simplest... (answered by stanbon)

Solve the equation by completing the square. a. Write irrational numbers in simplest... (answered by stanbon)