0=3900x+217-23.49x^2

Simple and best practice solution for 0=3900x+217-23.49x^2 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 0=3900x+217-23.49x^2 equation:


Simplifying
0 = 3900x + 217 + -23.49x2

Reorder the terms:
0 = 217 + 3900x + -23.49x2

Solving
0 = 217 + 3900x + -23.49x2

Solving for variable 'x'.

Combine like terms: 0 + -217 = -217
-217 + -3900x + 23.49x2 = 217 + 3900x + -23.49x2 + -217 + -3900x + 23.49x2

Reorder the terms:
-217 + -3900x + 23.49x2 = 217 + -217 + 3900x + -3900x + -23.49x2 + 23.49x2

Combine like terms: 217 + -217 = 0
-217 + -3900x + 23.49x2 = 0 + 3900x + -3900x + -23.49x2 + 23.49x2
-217 + -3900x + 23.49x2 = 3900x + -3900x + -23.49x2 + 23.49x2

Combine like terms: 3900x + -3900x = 0
-217 + -3900x + 23.49x2 = 0 + -23.49x2 + 23.49x2
-217 + -3900x + 23.49x2 = -23.49x2 + 23.49x2

Combine like terms: -23.49x2 + 23.49x2 = 0.00
-217 + -3900x + 23.49x2 = 0.00

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

Divide each side by '23.49'.
-9.237973606 + -166.0280971x + x2 = 0

Move the constant term to the right:

Add '9.237973606' to each side of the equation.
-9.237973606 + -166.0280971x + 9.237973606 + x2 = 0 + 9.237973606

Reorder the terms:
-9.237973606 + 9.237973606 + -166.0280971x + x2 = 0 + 9.237973606

Combine like terms: -9.237973606 + 9.237973606 = 0.000000000
0.000000000 + -166.0280971x + x2 = 0 + 9.237973606
-166.0280971x + x2 = 0 + 9.237973606

Combine like terms: 0 + 9.237973606 = 9.237973606
-166.0280971x + x2 = 9.237973606

The x term is -166.0280971x.  Take half its coefficient (-83.01404855).
Square it (6891.332257) and add it to both sides.

Add '6891.332257' to each side of the equation.
-166.0280971x + 6891.332257 + x2 = 9.237973606 + 6891.332257

Reorder the terms:
6891.332257 + -166.0280971x + x2 = 9.237973606 + 6891.332257

Combine like terms: 9.237973606 + 6891.332257 = 6900.570230606
6891.332257 + -166.0280971x + x2 = 6900.570230606

Factor a perfect square on the left side:
(x + -83.01404855)(x + -83.01404855) = 6900.570230606

Calculate the square root of the right side: 83.069670943

Break this problem into two subproblems by setting 
(x + -83.01404855) equal to 83.069670943 and -83.069670943.

Subproblem 1

x + -83.01404855 = 83.069670943 Simplifying x + -83.01404855 = 83.069670943 Reorder the terms: -83.01404855 + x = 83.069670943 Solving -83.01404855 + x = 83.069670943 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '83.01404855' to each side of the equation. -83.01404855 + 83.01404855 + x = 83.069670943 + 83.01404855 Combine like terms: -83.01404855 + 83.01404855 = 0.00000000 0.00000000 + x = 83.069670943 + 83.01404855 x = 83.069670943 + 83.01404855 Combine like terms: 83.069670943 + 83.01404855 = 166.083719493 x = 166.083719493 Simplifying x = 166.083719493

Subproblem 2

x + -83.01404855 = -83.069670943 Simplifying x + -83.01404855 = -83.069670943 Reorder the terms: -83.01404855 + x = -83.069670943 Solving -83.01404855 + x = -83.069670943 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '83.01404855' to each side of the equation. -83.01404855 + 83.01404855 + x = -83.069670943 + 83.01404855 Combine like terms: -83.01404855 + 83.01404855 = 0.00000000 0.00000000 + x = -83.069670943 + 83.01404855 x = -83.069670943 + 83.01404855 Combine like terms: -83.069670943 + 83.01404855 = -0.055622393 x = -0.055622393 Simplifying x = -0.055622393

Solution

The solution to the problem is based on the solutions from the subproblems. x = {166.083719493, -0.055622393}

See similar equations:

| 7x+6x+4+9=3x+5+9x | | 18x^2-42x=0 | | 4r^2+28r+49= | | (4x-7)=-4 | | 4x+31=91 | | T=3.1-29x | | T=31-29x | | p=2m+2v | | 25a^2-16f^2=0 | | 25r^2+80rd+64d^2=0 | | (2x-1)=7 | | f(-12)=-5x+15 | | 8x+2=5x-8 | | 25r^2-60r+36=0 | | 4z+55z-4=14 | | -6x^2-15x=0 | | 4ln(7x)=8 | | (x+2)(x)(2)=126 | | 15n^2-22np-5p^2=0 | | 10a^3+44a^2-30a=0 | | 5x^2-10x-126=0 | | x-23=31+6x | | 4t^2-24t+32=0 | | (x+2)(x^2)=21 | | 11-1+5x=65x-36 | | 8x-6y=-15 | | 8x-7y=-15 | | 8x^2-30x=27 | | 3(x-3)+11=2(x+5) | | 96=x(x+4) | | x^2+4=96 | | .5x=40 |

Equations solver categories