4x^2-12x=-13

Simple and best practice solution for 4x^2-12x=-13 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 equation:


Simplifying
4x2 + -12x = -13

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

Solving
-12x + 4x2 = -13

Solving for variable 'x'.

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

Combine like terms: -13 + 13 = 0
13 + -12x + 4x2 = 0

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:

| 90-9x=6x | | 4x^2-12x=13 | | Ek=0.5mv^2 | | 8y-1=7y | | 2x^2+15x-8.1=0 | | 2y-6=-4x | | 15+-1*5= | | x^5=1.075 | | -11-8m=5m+5(1-3m) | | 15+-1*3= | | -15.00-(2.00x)=-11.00 | | -15-(-2)*5= | | 2(x+3)+6=4x-2(-5+x) | | -15-(-2)*3= | | 3(18)+y=2 | | (2x-8)(2x-6)=48 | | -14-(-15)*16= | | -8+(-3x)=3 | | -14-(-15)*10= | | 5x^2*x^2= | | -14-(-15)*2= | | 7h-11=38 | | 0.20(y-2)+0.06y=0.02y-0.05(20) | | 30x-60=60x-30 | | 2x+-3+7=3x-10+7 | | -14+-15*2= | | 3x+(20+-4x)=2 | | 2x+-7=3x+-10+7 | | f(x)=x^2-30x | | 14(27-x)=15x | | y=20+-4x | | 54x+18=0 |

Equations solver categories