4x^2+12x+13=0

Simple and best practice solution for 4x^2+12x+13=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2+12x+13=0 equation:


Simplifying
4x2 + 12x + 13 = 0

Reorder the terms:
13 + 12x + 4x2 = 0

Solving
13 + 12x + 4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
3.25 + 3x + x2 = 0

Move the constant term to the right:

Add '-3.25' to each side of the equation.
3.25 + 3x + -3.25 + x2 = 0 + -3.25

Reorder the terms:
3.25 + -3.25 + 3x + x2 = 0 + -3.25

Combine like terms: 3.25 + -3.25 = 0.00
0.00 + 3x + x2 = 0 + -3.25
3x + x2 = 0 + -3.25

Combine like terms: 0 + -3.25 = -3.25
3x + x2 = -3.25

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -3.25 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -3.25 + 2.25

Combine like terms: -3.25 + 2.25 = -1
2.25 + 3x + x2 = -1

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 20=2r+3.14r | | y+(y-2)-12x= | | (2y+3)+8= | | 2y+(86-y)=86+4y | | 4(x-9)=4(1-4x) | | 6x+19=-3x+154 | | x-17/25=-3/5 | | -3(x-12)=5(7-x) | | 2(5x+3)-10=36 | | 6y+1=y-34 | | 3(x-2)=3(2-3x) | | Y-8=-6/7(21) | | X/10=-17 | | -28-6x+4=-3x | | 5(x-5)=5(1-2x) | | 11x+9=15x+9 | | -3z=-1 | | An=n^2+2n-1 | | 4(x-2)+31(-x+4)=-2(x-3) | | -3x+2(-2+3x)=-4+3x | | .5(8x+18)-4=3(x-2) | | 4x^2-35x+75=0 | | 6.6=15.6-x | | 0=2x^2+25x+12 | | (x-1)m^2-2xm+x+3=0 | | -2/x^3=1/x^2=12 | | x-.20x=56 | | 6y^2-32=4 | | 6y-5=7y-8-4.2-8y | | 4x^2+11y+6=0 | | 3x^3+3x^2-2x+15=0 | | x-10=-3-25 |

Equations solver categories