-x^2+x=36

Simple and best practice solution for -x^2+x=36 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 -x^2+x=36 equation:


Simplifying
-1x2 + x = 36

Reorder the terms:
x + -1x2 = 36

Solving
x + -1x2 = 36

Solving for variable 'x'.

Reorder the terms:
-36 + x + -1x2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
36 + -1x + x2 = 0

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -1x + -36 + x2 = 0 + -36

Reorder the terms:
36 + -36 + -1x + x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -1x + x2 = 0 + -36
-1x + x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-1x + x2 = -36

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -36 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -36 + 0.25

Combine like terms: -36 + 0.25 = -35.75
0.25 + -1x + x2 = -35.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -35.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (12x^3y^2-8xy^4-9x^2y)/(6x^2y^2) | | 5x-3(0)=18 | | h(t)=-16t^2+48t+15 | | 9x-6x+2=48 | | Hb(29.2)=2.87sqrt(12)+20.08 | | x^3+x^2+x=123 | | Y^2+2y=-8x+15 | | 36x^2+108x+81= | | 3sqrt(14)/42 | | 5x-44= | | x^2+6x+55=0 | | x=0.8+(-0.4) | | -0.01x^2-0.1x+6=0 | | 0-(-11)= | | 6*3.6+25= | | 40x=25(x+1) | | -37-7a+12a=88 | | 5+y(3x-7)i=9-3i | | x(21+x)=1450 | | 15(x^2+y^2)(x^2+y^2)=289(x^2-y^2) | | y=ln(tan(e)) | | 5-2x=125 | | x^2=-12x+45 | | 3(4c-1)-10=6c+5 | | 9y+2x=25 | | 6x+4+4x-14=180 | | (3x-3y)/(6x-6y) | | 3x^2+31x-8.9=0 | | 6x+25+5x-65= | | -4(x-6)=-8(x-4) | | 1x+17+2x= | | 0.99k-9.13=0.54k-12.1 |

Equations solver categories