x(5-x)=36

Simple and best practice solution for x(5-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(5-x)=36 equation:


Simplifying
x(5 + -1x) = 36
(5 * x + -1x * x) = 36
(5x + -1x2) = 36

Solving
5x + -1x2 = 36

Solving for variable 'x'.

Reorder the terms:
-36 + 5x + -1x2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + 5x + -1x2 = 0

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

Divide each side by '-1'.
36 + -5x + x2 = 0

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -5x + -36 + x2 = 0 + -36

Reorder the terms:
36 + -36 + -5x + x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -5x + x2 = 0 + -36
-5x + x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-5x + x2 = -36

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -36 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -36 + 6.25

Combine like terms: -36 + 6.25 = -29.75
6.25 + -5x + x2 = -29.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -29.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (q-5)(4q+1)= | | 2x^2+12x+32=0 | | 7x*7x-32x-60= | | 9e-5f-2g-3e+4f+g= | | 2(-3)=2x-6 | | 5x-9=-8y-3 | | H(x)=x^3-3x+1 | | 2a^2-18a=-72 | | a+2b-3c-5a-8b-2c= | | 3b*3b*3b-5b*5b+2b= | | 9-2x=33-7x | | 4(x-4)-2=-5(-4x+6)-x | | x^2=24-12x | | x^3-15x^2-1500=0 | | 2(-0.6+-1.6y)+2y=-6 | | 2a+6=20 | | -9y-z-3y-8z= | | =7x(7x+3y)(3x+9y) | | 198/3 | | 4x-18=3x-30 | | (2x+2y)+(3x+6y)=3-6 | | 28n*28n*28n*28n+16n*16n*16n-80n*80n= | | y=6x^4+3x^2+9x^3-6x | | 2xy+3y^2-7=3xy-2y^2-4 | | x^3-15x^2+1500=0 | | 10=n/2-4 | | 5p*p-p-18= | | -2(4x-3)+6x=6x+4 | | h(t)=-16x^2+96x+5 | | -22t+5t^2-48=0 | | 8c+d-3c-4d= | | 2b*b+17b+21= |

Equations solver categories