x^2-40x+383=0

Simple and best practice solution for x^2-40x+383=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 x^2-40x+383=0 equation:


Simplifying
x2 + -40x + 383 = 0

Reorder the terms:
383 + -40x + x2 = 0

Solving
383 + -40x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-383' to each side of the equation.
383 + -40x + -383 + x2 = 0 + -383

Reorder the terms:
383 + -383 + -40x + x2 = 0 + -383

Combine like terms: 383 + -383 = 0
0 + -40x + x2 = 0 + -383
-40x + x2 = 0 + -383

Combine like terms: 0 + -383 = -383
-40x + x2 = -383

The x term is -40x.  Take half its coefficient (-20).
Square it (400) and add it to both sides.

Add '400' to each side of the equation.
-40x + 400 + x2 = -383 + 400

Reorder the terms:
400 + -40x + x2 = -383 + 400

Combine like terms: -383 + 400 = 17
400 + -40x + x2 = 17

Factor a perfect square on the left side:
(x + -20)(x + -20) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + -20) equal to 4.123105626 and -4.123105626.

Subproblem 1

x + -20 = 4.123105626 Simplifying x + -20 = 4.123105626 Reorder the terms: -20 + x = 4.123105626 Solving -20 + x = 4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = 4.123105626 + 20 Combine like terms: -20 + 20 = 0 0 + x = 4.123105626 + 20 x = 4.123105626 + 20 Combine like terms: 4.123105626 + 20 = 24.123105626 x = 24.123105626 Simplifying x = 24.123105626

Subproblem 2

x + -20 = -4.123105626 Simplifying x + -20 = -4.123105626 Reorder the terms: -20 + x = -4.123105626 Solving -20 + x = -4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = -4.123105626 + 20 Combine like terms: -20 + 20 = 0 0 + x = -4.123105626 + 20 x = -4.123105626 + 20 Combine like terms: -4.123105626 + 20 = 15.876894374 x = 15.876894374 Simplifying x = 15.876894374

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.123105626, 15.876894374}

See similar equations:

| A=(a+b)h | | L*200=10000 | | 10*b=2400 | | 3/42= | | [d]+3=33 | | 9d+15+c=-5 | | 6(4)+0=6(-2)+8v | | 20x^2+5x+8=0 | | l*230=4600 | | w^2-6wz+8z^2=0 | | -4/5x | | 9-10x=10x+19 | | 14(4)=6(4)+8v | | -3b=9+3 | | 6(4)+8v=14 | | 35x^2-58x+24=0 | | -21-10=10x+19 | | 27+3c+d=-5 | | 2n=26-4 | | 174/25/3 | | a^2+12az+36z^2=0 | | 24/25+6 | | 5r=-5 | | 1/6-x/2=-2x/3+1/4 | | (13-4K)X-5= | | 7x/8 | | 18x+5x^2=35 | | r+3=-12 | | 19x+40=23x | | a^2-3a-54=0 | | 2=lnx | | 5x+123=13x-5 |

Equations solver categories