45.8x^2-199.2x+199.2=0

Simple and best practice solution for 45.8x^2-199.2x+199.2=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 45.8x^2-199.2x+199.2=0 equation:


Simplifying
45.8x2 + -199.2x + 199.2 = 0

Reorder the terms:
199.2 + -199.2x + 45.8x2 = 0

Solving
199.2 + -199.2x + 45.8x2 = 0

Solving for variable 'x'.

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

Divide each side by '45.8'.
4.349344978 + -4.349344978x + x2 = 0

Move the constant term to the right:

Add '-4.349344978' to each side of the equation.
4.349344978 + -4.349344978x + -4.349344978 + x2 = 0 + -4.349344978

Reorder the terms:
4.349344978 + -4.349344978 + -4.349344978x + x2 = 0 + -4.349344978

Combine like terms: 4.349344978 + -4.349344978 = 0.000000000
0.000000000 + -4.349344978x + x2 = 0 + -4.349344978
-4.349344978x + x2 = 0 + -4.349344978

Combine like terms: 0 + -4.349344978 = -4.349344978
-4.349344978x + x2 = -4.349344978

The x term is -4.349344978x.  Take half its coefficient (-2.174672489).
Square it (4.729200434) and add it to both sides.

Add '4.729200434' to each side of the equation.
-4.349344978x + 4.729200434 + x2 = -4.349344978 + 4.729200434

Reorder the terms:
4.729200434 + -4.349344978x + x2 = -4.349344978 + 4.729200434

Combine like terms: -4.349344978 + 4.729200434 = 0.379855456
4.729200434 + -4.349344978x + x2 = 0.379855456

Factor a perfect square on the left side:
(x + -2.174672489)(x + -2.174672489) = 0.379855456

Calculate the square root of the right side: 0.616324148

Break this problem into two subproblems by setting 
(x + -2.174672489) equal to 0.616324148 and -0.616324148.

Subproblem 1

x + -2.174672489 = 0.616324148 Simplifying x + -2.174672489 = 0.616324148 Reorder the terms: -2.174672489 + x = 0.616324148 Solving -2.174672489 + x = 0.616324148 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.174672489' to each side of the equation. -2.174672489 + 2.174672489 + x = 0.616324148 + 2.174672489 Combine like terms: -2.174672489 + 2.174672489 = 0.000000000 0.000000000 + x = 0.616324148 + 2.174672489 x = 0.616324148 + 2.174672489 Combine like terms: 0.616324148 + 2.174672489 = 2.790996637 x = 2.790996637 Simplifying x = 2.790996637

Subproblem 2

x + -2.174672489 = -0.616324148 Simplifying x + -2.174672489 = -0.616324148 Reorder the terms: -2.174672489 + x = -0.616324148 Solving -2.174672489 + x = -0.616324148 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.174672489' to each side of the equation. -2.174672489 + 2.174672489 + x = -0.616324148 + 2.174672489 Combine like terms: -2.174672489 + 2.174672489 = 0.000000000 0.000000000 + x = -0.616324148 + 2.174672489 x = -0.616324148 + 2.174672489 Combine like terms: -0.616324148 + 2.174672489 = 1.558348341 x = 1.558348341 Simplifying x = 1.558348341

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.790996637, 1.558348341}

See similar equations:

| 21n(x-4)=10 | | 4x+4=7x+3-3x+1 | | 2cosx-3sinx=2.5 | | x-5=-4+3 | | 0.60x+.05(12-x)=.10(-38) | | (5x+5)(x-9)=0 | | y=-3/10(0.6)-3 | | x+1.5+x= | | 9x+15-8x=-4-13 | | ((9x-y)/(4x))=((x+y)/(6x))+2 | | 59y=29(2y+13) | | .25(w-4)-.75w=3 | | 18s+36-10s+6=0 | | 3x^4-76x^2=0 | | 12*8+8y=38 | | (X-4/2)-1=(x-10/3) | | (3y/10)-3=(y/5)+4 | | -7=-28 | | 4-4=11x+9x | | 5x-17=68 | | z-26=12 | | 183-7x=38x+23 | | 3(x+2)=8(x-1)-4 | | 2w-10w=-40 | | 12*12+8y=38 | | -5-6=-3+x | | (3x^2-5x-8)(x+1)=0 | | -3+5y=30 | | 12-48=4(x-2)-4 | | -9/7x=-2 | | 2Y-9=6 | | 3-18=0 |

Equations solver categories