5x^2-32x+20=0

Simple and best practice solution for 5x^2-32x+20=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^2-32x+20=0 equation:


Simplifying
5x2 + -32x + 20 = 0

Reorder the terms:
20 + -32x + 5x2 = 0

Solving
20 + -32x + 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 + -6.4x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -6.4x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -6.4x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -6.4x + x2 = 0 + -4
-6.4x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-6.4x + x2 = -4

The x term is -6.4x.  Take half its coefficient (-3.2).
Square it (10.24) and add it to both sides.

Add '10.24' to each side of the equation.
-6.4x + 10.24 + x2 = -4 + 10.24

Reorder the terms:
10.24 + -6.4x + x2 = -4 + 10.24

Combine like terms: -4 + 10.24 = 6.24
10.24 + -6.4x + x2 = 6.24

Factor a perfect square on the left side:
(x + -3.2)(x + -3.2) = 6.24

Calculate the square root of the right side: 2.497999199

Break this problem into two subproblems by setting 
(x + -3.2) equal to 2.497999199 and -2.497999199.

Subproblem 1

x + -3.2 = 2.497999199 Simplifying x + -3.2 = 2.497999199 Reorder the terms: -3.2 + x = 2.497999199 Solving -3.2 + x = 2.497999199 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.2' to each side of the equation. -3.2 + 3.2 + x = 2.497999199 + 3.2 Combine like terms: -3.2 + 3.2 = 0.0 0.0 + x = 2.497999199 + 3.2 x = 2.497999199 + 3.2 Combine like terms: 2.497999199 + 3.2 = 5.697999199 x = 5.697999199 Simplifying x = 5.697999199

Subproblem 2

x + -3.2 = -2.497999199 Simplifying x + -3.2 = -2.497999199 Reorder the terms: -3.2 + x = -2.497999199 Solving -3.2 + x = -2.497999199 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.2' to each side of the equation. -3.2 + 3.2 + x = -2.497999199 + 3.2 Combine like terms: -3.2 + 3.2 = 0.0 0.0 + x = -2.497999199 + 3.2 x = -2.497999199 + 3.2 Combine like terms: -2.497999199 + 3.2 = 0.702000801 x = 0.702000801 Simplifying x = 0.702000801

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.697999199, 0.702000801}

See similar equations:

| x+(4x+90)=180 | | 3x+28=3+8x-5 | | 9x=60+4x | | x-0.30x=19.60 | | 4v-7=-29 | | 16x^2-68x+27=0 | | 4(8k+3)-5=2(6k+8)+1 | | 5m^2-5m-2=0 | | X-7/4=9 | | (3x+24)+(5x+8)+(3x+24)=180 | | x+(2x+90)=180 | | 2a+6whena=4 | | i^25+i^96+i^38= | | (3x+24)+(5x+8)+(5x+8)=180 | | X+2x+2x+90=180 | | 1+10x=3-8x | | 7f^2+f-9=0 | | (x)15y=x | | -4x+12=-2(2x-6) | | 7-2/3x=5/3x | | 7+35x=20x+25 | | 9x^4-121m^4=0 | | 9x+45+90=180 | | 6g^2-6g-6=0 | | .75=j-.5 | | x-0.25x=20.25 | | 224=(12+2w)(w) | | 8m=5m+24 | | j^2-22j+45=0 | | 59-4x=14-9x | | -7(y-12)=-142 | | 8-9x-3=-64+7x-11 |

Equations solver categories