5x^2-3x=-12

Simple and best practice solution for 5x^2-3x=-12 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 5x^2-3x=-12 equation:


Simplifying
5x2 + -3x = -12

Reorder the terms:
-3x + 5x2 = -12

Solving
-3x + 5x2 = -12

Solving for variable 'x'.

Reorder the terms:
12 + -3x + 5x2 = -12 + 12

Combine like terms: -12 + 12 = 0
12 + -3x + 5x2 = 0

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

Divide each side by '5'.
2.4 + -0.6x + x2 = 0

Move the constant term to the right:

Add '-2.4' to each side of the equation.
2.4 + -0.6x + -2.4 + x2 = 0 + -2.4

Reorder the terms:
2.4 + -2.4 + -0.6x + x2 = 0 + -2.4

Combine like terms: 2.4 + -2.4 = 0.0
0.0 + -0.6x + x2 = 0 + -2.4
-0.6x + x2 = 0 + -2.4

Combine like terms: 0 + -2.4 = -2.4
-0.6x + x2 = -2.4

The x term is -0.6x.  Take half its coefficient (-0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
-0.6x + 0.09 + x2 = -2.4 + 0.09

Reorder the terms:
0.09 + -0.6x + x2 = -2.4 + 0.09

Combine like terms: -2.4 + 0.09 = -2.31
0.09 + -0.6x + x2 = -2.31

Factor a perfect square on the left side:
(x + -0.3)(x + -0.3) = -2.31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0.8+0.2x=0.2 | | 12x-31y=44x+22y+3 | | 25m^3+m=0 | | -4(3n+2)+2n= | | 9x^2-3x-8=0 | | 7-7lnx=0 | | 4a=7a+12 | | 4g+16=g+43 | | 27x+44=-155 | | 15*6=10*x | | 12x-6-4x+4=14 | | .81x^2-1.4x-1=0 | | y=0.6x+45 | | 25u^2-v^2=0 | | 8.25+.25=7610.75 | | -7x^2-x+8=0 | | 5z+z=5z-1 | | 0.4z-5=3 | | x^4+12x^3+11x^2=0 | | (8+6)*8=(7+x)*7 | | 2(x-9)+x=3(x-7)+3 | | 8.25+.25=10.75 | | -a^2-8a+48=0 | | 6*6=4*x | | -w^2-2w+15=0 | | 3x-4=6x-4 | | 1.2+6x=-0.6 | | (2/5)c+4-(1/5)c=-9 | | 5a-2(3a+7)=200 | | C=8(y+3) | | h+3.7=12.2 | | 14*x=10*21 |

Equations solver categories