60x+9x^2=100

Simple and best practice solution for 60x+9x^2=100 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 60x+9x^2=100 equation:


Simplifying
60x + 9x2 = 100

Solving
60x + 9x2 = 100

Solving for variable 'x'.

Reorder the terms:
-100 + 60x + 9x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-100 + 60x + 9x2 = 0

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

Divide each side by '9'.
-11.11111111 + 6.666666667x + x2 = 0

Move the constant term to the right:

Add '11.11111111' to each side of the equation.
-11.11111111 + 6.666666667x + 11.11111111 + x2 = 0 + 11.11111111

Reorder the terms:
-11.11111111 + 11.11111111 + 6.666666667x + x2 = 0 + 11.11111111

Combine like terms: -11.11111111 + 11.11111111 = 0.00000000
0.00000000 + 6.666666667x + x2 = 0 + 11.11111111
6.666666667x + x2 = 0 + 11.11111111

Combine like terms: 0 + 11.11111111 = 11.11111111
6.666666667x + x2 = 11.11111111

The x term is 6.666666667x.  Take half its coefficient (3.333333334).
Square it (11.11111112) and add it to both sides.

Add '11.11111112' to each side of the equation.
6.666666667x + 11.11111112 + x2 = 11.11111111 + 11.11111112

Reorder the terms:
11.11111112 + 6.666666667x + x2 = 11.11111111 + 11.11111112

Combine like terms: 11.11111111 + 11.11111112 = 22.22222223
11.11111112 + 6.666666667x + x2 = 22.22222223

Factor a perfect square on the left side:
(x + 3.333333334)(x + 3.333333334) = 22.22222223

Calculate the square root of the right side: 4.714045209

Break this problem into two subproblems by setting 
(x + 3.333333334) equal to 4.714045209 and -4.714045209.

Subproblem 1

x + 3.333333334 = 4.714045209 Simplifying x + 3.333333334 = 4.714045209 Reorder the terms: 3.333333334 + x = 4.714045209 Solving 3.333333334 + x = 4.714045209 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.333333334' to each side of the equation. 3.333333334 + -3.333333334 + x = 4.714045209 + -3.333333334 Combine like terms: 3.333333334 + -3.333333334 = 0.000000000 0.000000000 + x = 4.714045209 + -3.333333334 x = 4.714045209 + -3.333333334 Combine like terms: 4.714045209 + -3.333333334 = 1.380711875 x = 1.380711875 Simplifying x = 1.380711875

Subproblem 2

x + 3.333333334 = -4.714045209 Simplifying x + 3.333333334 = -4.714045209 Reorder the terms: 3.333333334 + x = -4.714045209 Solving 3.333333334 + x = -4.714045209 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.333333334' to each side of the equation. 3.333333334 + -3.333333334 + x = -4.714045209 + -3.333333334 Combine like terms: 3.333333334 + -3.333333334 = 0.000000000 0.000000000 + x = -4.714045209 + -3.333333334 x = -4.714045209 + -3.333333334 Combine like terms: -4.714045209 + -3.333333334 = -8.047378543 x = -8.047378543 Simplifying x = -8.047378543

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.380711875, -8.047378543}

See similar equations:

| (X+3)*2=0 | | x^2-x=2450 | | sqr(25)=x | | X(60+9x)=100 | | (x-3)x(x+1)=0 | | 31-6c=13 | | 2x-6=12x-20 | | 4x*2-1=0 | | Iz+1=i | | 4y*4= | | 1-3(2x+5)=4(x-3)-3(x-2) | | (5x+4)-10=24 | | z^2+4iz+8=0 | | x^2-14x=241 | | 20y-15y^2= | | xz+yt+xt+yz= | | 2x+7=5x-9 | | x^2-4x+11=-6x-3 | | 3(1+11x)= | | 4a^2-12a= | | 2.8x+15=12-1.2x | | y=(x-2) | | 2-3r=-4 | | 4j-5=3 | | -12(x-1)=2(-2x) | | 7(2x+3)=3(3x-2) | | 8x^3y-40x^3z+27y-135z=0 | | 5f+2=-3 | | (X+1)+(x-3)=0 | | 2-(y-5)(7-2y)=y(2y-3) | | xy=600 | | 6a+18-6a-12= |

Equations solver categories