8x^2+6+53x=0

Simple and best practice solution for 8x^2+6+53x=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^2+6+53x=0 equation:


Simplifying
8x2 + 6 + 53x = 0

Reorder the terms:
6 + 53x + 8x2 = 0

Solving
6 + 53x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
0.75 + 6.625x + x2 = 0

Move the constant term to the right:

Add '-0.75' to each side of the equation.
0.75 + 6.625x + -0.75 + x2 = 0 + -0.75

Reorder the terms:
0.75 + -0.75 + 6.625x + x2 = 0 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + 6.625x + x2 = 0 + -0.75
6.625x + x2 = 0 + -0.75

Combine like terms: 0 + -0.75 = -0.75
6.625x + x2 = -0.75

The x term is 6.625x.  Take half its coefficient (3.3125).
Square it (10.97265625) and add it to both sides.

Add '10.97265625' to each side of the equation.
6.625x + 10.97265625 + x2 = -0.75 + 10.97265625

Reorder the terms:
10.97265625 + 6.625x + x2 = -0.75 + 10.97265625

Combine like terms: -0.75 + 10.97265625 = 10.22265625
10.97265625 + 6.625x + x2 = 10.22265625

Factor a perfect square on the left side:
(x + 3.3125)(x + 3.3125) = 10.22265625

Calculate the square root of the right side: 3.197288891

Break this problem into two subproblems by setting 
(x + 3.3125) equal to 3.197288891 and -3.197288891.

Subproblem 1

x + 3.3125 = 3.197288891 Simplifying x + 3.3125 = 3.197288891 Reorder the terms: 3.3125 + x = 3.197288891 Solving 3.3125 + x = 3.197288891 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.3125' to each side of the equation. 3.3125 + -3.3125 + x = 3.197288891 + -3.3125 Combine like terms: 3.3125 + -3.3125 = 0.0000 0.0000 + x = 3.197288891 + -3.3125 x = 3.197288891 + -3.3125 Combine like terms: 3.197288891 + -3.3125 = -0.115211109 x = -0.115211109 Simplifying x = -0.115211109

Subproblem 2

x + 3.3125 = -3.197288891 Simplifying x + 3.3125 = -3.197288891 Reorder the terms: 3.3125 + x = -3.197288891 Solving 3.3125 + x = -3.197288891 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.3125' to each side of the equation. 3.3125 + -3.3125 + x = -3.197288891 + -3.3125 Combine like terms: 3.3125 + -3.3125 = 0.0000 0.0000 + x = -3.197288891 + -3.3125 x = -3.197288891 + -3.3125 Combine like terms: -3.197288891 + -3.3125 = -6.509788891 x = -6.509788891 Simplifying x = -6.509788891

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.115211109, -6.509788891}

See similar equations:

| 5(x+2)=30 | | -8=6y-2 | | 6+0.25x=0.33x | | 3G+4=-5 | | 15t=-54 | | 3r=-15 | | -5x^2+550x-5000=0 | | 19x-55=21 | | -8(2b+2)+(17b-3)=0 | | 1+3x=-4 | | -6y=-48 | | 7(7k+4)-6k=28+k | | 13x+8-4=12x-3 | | 5y+3=-4 | | x+4=-6 | | -2(t-3)+9=24 | | 2c+2(c-6)=72 | | 8+x=-6 | | 2x^2+9x=2 | | 4x^2-20x+25=0 | | 7(k-6)+8=13 | | 2x^2-9x=2 | | 40x=60+20x | | 4z+3(z+2)=34 | | 6(j-7)+5(2j+3)=37 | | 6(8y+3)=-18 | | 8(g+2)+3(g-2)=76 | | y-39=-14 | | 9(h-1)+h=11 | | 4x=21+2.50x | | 2x^2+4x=22 | | 7x+4=3x-2 |

Equations solver categories