8x+x^2-60=0

Simple and best practice solution for 8x+x^2-60=0 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 8x+x^2-60=0 equation:


Simplifying
8x + x2 + -60 = 0

Reorder the terms:
-60 + 8x + x2 = 0

Solving
-60 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 8x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + 8x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 8x + x2 = 0 + 60
8x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
8x + x2 = 60

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 60 + 16

Reorder the terms:
16 + 8x + x2 = 60 + 16

Combine like terms: 60 + 16 = 76
16 + 8x + x2 = 76

Factor a perfect square on the left side:
(x + 4)(x + 4) = 76

Calculate the square root of the right side: 8.717797887

Break this problem into two subproblems by setting 
(x + 4) equal to 8.717797887 and -8.717797887.

Subproblem 1

x + 4 = 8.717797887 Simplifying x + 4 = 8.717797887 Reorder the terms: 4 + x = 8.717797887 Solving 4 + x = 8.717797887 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 8.717797887 + -4 Combine like terms: 4 + -4 = 0 0 + x = 8.717797887 + -4 x = 8.717797887 + -4 Combine like terms: 8.717797887 + -4 = 4.717797887 x = 4.717797887 Simplifying x = 4.717797887

Subproblem 2

x + 4 = -8.717797887 Simplifying x + 4 = -8.717797887 Reorder the terms: 4 + x = -8.717797887 Solving 4 + x = -8.717797887 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -8.717797887 + -4 Combine like terms: 4 + -4 = 0 0 + x = -8.717797887 + -4 x = -8.717797887 + -4 Combine like terms: -8.717797887 + -4 = -12.717797887 x = -12.717797887 Simplifying x = -12.717797887

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.717797887, -12.717797887}

See similar equations:

| y=-2(5)+10 | | 5-8x-5x+4= | | y=-2(0)+10 | | 1/5x-4=2(x-19/5) | | -2x+6x-9= | | x/-9=-1-(-9) | | x/-4=-2-(-7) | | y=8(1)+1 | | 10a-(3)-7a+7=-8+39 | | y=8(0)+1 | | y=8(-1)+1 | | 77x=9 | | 6(x-1.9)=9.3 | | 5p-2np= | | x=3(x+7) | | -5(2x-1)=-(11x-13) | | ln(1/x)=-1 | | d=3(x+7) | | 7x/8=1/2 | | 16x^3/10x | | (3x-6)*3=2*(5-x) | | (3x+2)(2x+3)=15x | | 2x+2(-3x+9)=-x | | 9x-7y=-22 | | 2X+7X=81-9 | | y-5(1)=7 | | 20-.10x=10-.20x | | y-5(-4)=7 | | 6-(2x+14)=2(4x-39) | | -5(x-1)=(4x+2)*3 | | 30+1/4x=1/2x | | Ifx=(1/2)(16-8y) |

Equations solver categories