4x^2=23x+5

Simple and best practice solution for 4x^2=23x+5 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 4x^2=23x+5 equation:


Simplifying
4x2 = 23x + 5

Reorder the terms:
4x2 = 5 + 23x

Solving
4x2 = 5 + 23x

Solving for variable 'x'.

Reorder the terms:
-5 + -23x + 4x2 = 5 + 23x + -5 + -23x

Reorder the terms:
-5 + -23x + 4x2 = 5 + -5 + 23x + -23x

Combine like terms: 5 + -5 = 0
-5 + -23x + 4x2 = 0 + 23x + -23x
-5 + -23x + 4x2 = 23x + -23x

Combine like terms: 23x + -23x = 0
-5 + -23x + 4x2 = 0

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

Divide each side by '4'.
-1.25 + -5.75x + x2 = 0

Move the constant term to the right:

Add '1.25' to each side of the equation.
-1.25 + -5.75x + 1.25 + x2 = 0 + 1.25

Reorder the terms:
-1.25 + 1.25 + -5.75x + x2 = 0 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
0.00 + -5.75x + x2 = 0 + 1.25
-5.75x + x2 = 0 + 1.25

Combine like terms: 0 + 1.25 = 1.25
-5.75x + x2 = 1.25

The x term is -5.75x.  Take half its coefficient (-2.875).
Square it (8.265625) and add it to both sides.

Add '8.265625' to each side of the equation.
-5.75x + 8.265625 + x2 = 1.25 + 8.265625

Reorder the terms:
8.265625 + -5.75x + x2 = 1.25 + 8.265625

Combine like terms: 1.25 + 8.265625 = 9.515625
8.265625 + -5.75x + x2 = 9.515625

Factor a perfect square on the left side:
(x + -2.875)(x + -2.875) = 9.515625

Calculate the square root of the right side: 3.08474067

Break this problem into two subproblems by setting 
(x + -2.875) equal to 3.08474067 and -3.08474067.

Subproblem 1

x + -2.875 = 3.08474067 Simplifying x + -2.875 = 3.08474067 Reorder the terms: -2.875 + x = 3.08474067 Solving -2.875 + x = 3.08474067 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = 3.08474067 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = 3.08474067 + 2.875 x = 3.08474067 + 2.875 Combine like terms: 3.08474067 + 2.875 = 5.95974067 x = 5.95974067 Simplifying x = 5.95974067

Subproblem 2

x + -2.875 = -3.08474067 Simplifying x + -2.875 = -3.08474067 Reorder the terms: -2.875 + x = -3.08474067 Solving -2.875 + x = -3.08474067 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = -3.08474067 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = -3.08474067 + 2.875 x = -3.08474067 + 2.875 Combine like terms: -3.08474067 + 2.875 = -0.20974067 x = -0.20974067 Simplifying x = -0.20974067

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.95974067, -0.20974067}

See similar equations:

| 3/2x=12/8 | | 2x/x+3+5/x-4=18/x^2+3x | | 5m^2-2m+8=0 | | 2x-5=8+5 | | (12+2x)(8+2x)=0 | | 0.11-0.03(x+1)=-0.02(1-x) | | 6x+2=-3+2x+13 | | cd+d=6forc | | f(x)=-2x^2+2x-2 | | x^2-x-29^(3/4)-3=24 | | 11c+13c+8= | | 7(x+1)-8=5x+2(-2+x) | | 3/10x=6/5 | | .50x+.25(50)=44.5 | | 6+9x-3-18x= | | .19*54= | | g(x)=2xsquared-6 | | 4x^(5/4)-44=0 | | -6x/(x^2-6) | | 1/4x+1/9x+1/4x=37/18 | | (-2-3x)(-x)(-5x-45)=0 | | -3(9)(4)(-3)=x | | 1/4x-8+2/4x | | 12+9x=25+5 | | 1.5n-3x=6 | | -x-8+6x=-9+5x+1 | | 3(7g+12)=-48 | | 4(3x-4)=2(6x+1) | | 5.7x-3=4.7x | | 55-10x=15x | | (x/3-5)^2=16 | | -1=-18-5x |

Equations solver categories