5x^2-56x+3=0

Simple and best practice solution for 5x^2-56x+3=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 5x^2-56x+3=0 equation:


Simplifying
5x2 + -56x + 3 = 0

Reorder the terms:
3 + -56x + 5x2 = 0

Solving
3 + -56x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
0.6 + -11.2x + x2 = 0

Move the constant term to the right:

Add '-0.6' to each side of the equation.
0.6 + -11.2x + -0.6 + x2 = 0 + -0.6

Reorder the terms:
0.6 + -0.6 + -11.2x + x2 = 0 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + -11.2x + x2 = 0 + -0.6
-11.2x + x2 = 0 + -0.6

Combine like terms: 0 + -0.6 = -0.6
-11.2x + x2 = -0.6

The x term is -11.2x.  Take half its coefficient (-5.6).
Square it (31.36) and add it to both sides.

Add '31.36' to each side of the equation.
-11.2x + 31.36 + x2 = -0.6 + 31.36

Reorder the terms:
31.36 + -11.2x + x2 = -0.6 + 31.36

Combine like terms: -0.6 + 31.36 = 30.76
31.36 + -11.2x + x2 = 30.76

Factor a perfect square on the left side:
(x + -5.6)(x + -5.6) = 30.76

Calculate the square root of the right side: 5.54616985

Break this problem into two subproblems by setting 
(x + -5.6) equal to 5.54616985 and -5.54616985.

Subproblem 1

x + -5.6 = 5.54616985 Simplifying x + -5.6 = 5.54616985 Reorder the terms: -5.6 + x = 5.54616985 Solving -5.6 + x = 5.54616985 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.6' to each side of the equation. -5.6 + 5.6 + x = 5.54616985 + 5.6 Combine like terms: -5.6 + 5.6 = 0.0 0.0 + x = 5.54616985 + 5.6 x = 5.54616985 + 5.6 Combine like terms: 5.54616985 + 5.6 = 11.14616985 x = 11.14616985 Simplifying x = 11.14616985

Subproblem 2

x + -5.6 = -5.54616985 Simplifying x + -5.6 = -5.54616985 Reorder the terms: -5.6 + x = -5.54616985 Solving -5.6 + x = -5.54616985 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.6' to each side of the equation. -5.6 + 5.6 + x = -5.54616985 + 5.6 Combine like terms: -5.6 + 5.6 = 0.0 0.0 + x = -5.54616985 + 5.6 x = -5.54616985 + 5.6 Combine like terms: -5.54616985 + 5.6 = 0.05383015 x = 0.05383015 Simplifying x = 0.05383015

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.14616985, 0.05383015}

See similar equations:

| 8(k-5)-(-4k-6)=11k | | 9k-5=11 | | 183.375*2=x | | 3x/4=1/20 | | 4x+x+2x=8x | | 183.375*2= | | 4x+y=8x+y | | X-78=45 | | -16t^2+15t+5=0 | | (0.33*8)/(1-x)=0.16 | | 15x=13-12y | | 2(x+3)(x+3)+1=51 | | 35=-5(y+2) | | 44.4+8x= | | -16t^2+15t+3=0 | | (7+(-7))(5+(-7))(8-(-9))= | | (p^2+6p-20)=0 | | 4x-3+5x=24 | | (7+x)(5+y)(8-z)= | | 3q^2-6q+3=0 | | (p^2+2p+20)=0 | | 6m^2-13m-19=0 | | 40-3X=35+x | | 9h^2-72h+119=0 | | -15(-5a-5.2b+4.9)= | | (-1/6x-1/5x) | | 3f=18.33 | | X+(25+12)-3=8-(-9-1) | | x-.2x=9300 | | 12x-(3x-4)=9x+4 | | t+t^2=0 | | x^2-6x+8y=3 |

Equations solver categories