45x^2-56x+2=0

Simple and best practice solution for 45x^2-56x+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 45x^2-56x+2=0 equation:


Simplifying
45x2 + -56x + 2 = 0

Reorder the terms:
2 + -56x + 45x2 = 0

Solving
2 + -56x + 45x2 = 0

Solving for variable 'x'.

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

Divide each side by '45'.
0.04444444444 + -1.244444444x + x2 = 0

Move the constant term to the right:

Add '-0.04444444444' to each side of the equation.
0.04444444444 + -1.244444444x + -0.04444444444 + x2 = 0 + -0.04444444444

Reorder the terms:
0.04444444444 + -0.04444444444 + -1.244444444x + x2 = 0 + -0.04444444444

Combine like terms: 0.04444444444 + -0.04444444444 = 0.00000000000
0.00000000000 + -1.244444444x + x2 = 0 + -0.04444444444
-1.244444444x + x2 = 0 + -0.04444444444

Combine like terms: 0 + -0.04444444444 = -0.04444444444
-1.244444444x + x2 = -0.04444444444

The x term is -1.244444444x.  Take half its coefficient (-0.622222222).
Square it (0.3871604936) and add it to both sides.

Add '0.3871604936' to each side of the equation.
-1.244444444x + 0.3871604936 + x2 = -0.04444444444 + 0.3871604936

Reorder the terms:
0.3871604936 + -1.244444444x + x2 = -0.04444444444 + 0.3871604936

Combine like terms: -0.04444444444 + 0.3871604936 = 0.34271604916
0.3871604936 + -1.244444444x + x2 = 0.34271604916

Factor a perfect square on the left side:
(x + -0.622222222)(x + -0.622222222) = 0.34271604916

Calculate the square root of the right side: 0.58541955

Break this problem into two subproblems by setting 
(x + -0.622222222) equal to 0.58541955 and -0.58541955.

Subproblem 1

x + -0.622222222 = 0.58541955 Simplifying x + -0.622222222 = 0.58541955 Reorder the terms: -0.622222222 + x = 0.58541955 Solving -0.622222222 + x = 0.58541955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.622222222' to each side of the equation. -0.622222222 + 0.622222222 + x = 0.58541955 + 0.622222222 Combine like terms: -0.622222222 + 0.622222222 = 0.000000000 0.000000000 + x = 0.58541955 + 0.622222222 x = 0.58541955 + 0.622222222 Combine like terms: 0.58541955 + 0.622222222 = 1.207641772 x = 1.207641772 Simplifying x = 1.207641772

Subproblem 2

x + -0.622222222 = -0.58541955 Simplifying x + -0.622222222 = -0.58541955 Reorder the terms: -0.622222222 + x = -0.58541955 Solving -0.622222222 + x = -0.58541955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.622222222' to each side of the equation. -0.622222222 + 0.622222222 + x = -0.58541955 + 0.622222222 Combine like terms: -0.622222222 + 0.622222222 = 0.000000000 0.000000000 + x = -0.58541955 + 0.622222222 x = -0.58541955 + 0.622222222 Combine like terms: -0.58541955 + 0.622222222 = 0.036802672 x = 0.036802672 Simplifying x = 0.036802672

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.207641772, 0.036802672}

See similar equations:

| J-1/4=7/8 | | 3[2x-5]=2[3x-2] | | 3=9w-1/8+2w-7/4 | | 3x-12=1.5+3 | | 200=5x-(100+2x) | | M+7/8=11/2 | | 1+7=0 | | 53-3x=6x+23 | | x+x+15=180 | | 1/2n=3/11 | | .375x-.333x+6=.16666667x | | -5/3x=7/13 | | .375x-.333x+6=.166666667 | | 36u-8-12u=22u-66 | | 5/12h=3/5 | | 8x-5y=21 | | 7/8t=3 | | 85-5x=40x+15 | | 1/4n=2 | | 25x^2+20x+m-3=0 | | 94-4x=9-9x | | 2x^2+6-95=0 | | 1/2u=3/5 | | x+(x+38)+(3x-40)=768 | | 5/8n=1 | | (x+11)(x-9)= | | 12(2)-20= | | 5/18n=2 | | 7/19f=1/2 | | -8(2)+20= | | 6/7f=1/3 | | 20/1/4 |

Equations solver categories