5x^2-38x+23=

Simple and best practice solution for 5x^2-38x+23= 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^2-38x+23= equation:


Simplifying
5x2 + -38x + 23 = 0

Reorder the terms:
23 + -38x + 5x2 = 0

Solving
23 + -38x + 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'.
4.6 + -7.6x + x2 = 0

Move the constant term to the right:

Add '-4.6' to each side of the equation.
4.6 + -7.6x + -4.6 + x2 = 0 + -4.6

Reorder the terms:
4.6 + -4.6 + -7.6x + x2 = 0 + -4.6

Combine like terms: 4.6 + -4.6 = 0.0
0.0 + -7.6x + x2 = 0 + -4.6
-7.6x + x2 = 0 + -4.6

Combine like terms: 0 + -4.6 = -4.6
-7.6x + x2 = -4.6

The x term is -7.6x.  Take half its coefficient (-3.8).
Square it (14.44) and add it to both sides.

Add '14.44' to each side of the equation.
-7.6x + 14.44 + x2 = -4.6 + 14.44

Reorder the terms:
14.44 + -7.6x + x2 = -4.6 + 14.44

Combine like terms: -4.6 + 14.44 = 9.84
14.44 + -7.6x + x2 = 9.84

Factor a perfect square on the left side:
(x + -3.8)(x + -3.8) = 9.84

Calculate the square root of the right side: 3.136877428

Break this problem into two subproblems by setting 
(x + -3.8) equal to 3.136877428 and -3.136877428.

Subproblem 1

x + -3.8 = 3.136877428 Simplifying x + -3.8 = 3.136877428 Reorder the terms: -3.8 + x = 3.136877428 Solving -3.8 + x = 3.136877428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.8' to each side of the equation. -3.8 + 3.8 + x = 3.136877428 + 3.8 Combine like terms: -3.8 + 3.8 = 0.0 0.0 + x = 3.136877428 + 3.8 x = 3.136877428 + 3.8 Combine like terms: 3.136877428 + 3.8 = 6.936877428 x = 6.936877428 Simplifying x = 6.936877428

Subproblem 2

x + -3.8 = -3.136877428 Simplifying x + -3.8 = -3.136877428 Reorder the terms: -3.8 + x = -3.136877428 Solving -3.8 + x = -3.136877428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.8' to each side of the equation. -3.8 + 3.8 + x = -3.136877428 + 3.8 Combine like terms: -3.8 + 3.8 = 0.0 0.0 + x = -3.136877428 + 3.8 x = -3.136877428 + 3.8 Combine like terms: -3.136877428 + 3.8 = 0.663122572 x = 0.663122572 Simplifying x = 0.663122572

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.936877428, 0.663122572}

See similar equations:

| 2(5x-1)-(4x+1)=5(x+4)-24 | | 13x+80+15x=-19+x | | -7x-5+6x=-8 | | -4n+10=6n-40 | | (x)(3)+0.8=4.40 | | 5h+2c= | | 16h+21=30+13h | | 10p+5=12 | | 4(7x-7)=7(6+2x) | | x-4x-91=7 | | 34+1=10 | | 2x+4+3x=x+4+4x | | 3x-5.85=-3.99 | | 17x+99+4x=-8+x | | -9w=-10w+10 | | 7x+5(-2+4)=-10+2x | | 7(m-2)-2(3+m)=80 | | 1780=12a+8b | | 3r-5=17 | | [2x+4]+12=2 | | 56-2(3c+4)=4(c+7)+c | | 7-3x-x+5= | | 19x-2=11x-26 | | .5(5.5x-10)+7.25=82 | | 4-4a+a^2=1 | | 6(x-5)=5(x+4) | | 6x+15=5(x-3) | | 6+x+6+x+x+x=136 | | 8(3x-2x)=112 | | .5x+66=180 | | -6x+22=-2x+46 | | 3+2x+4-5x= |

Equations solver categories