5x^2-2x-365=0

Simple and best practice solution for 5x^2-2x-365=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^2-2x-365=0 equation:


Simplifying
5x2 + -2x + -365 = 0

Reorder the terms:
-365 + -2x + 5x2 = 0

Solving
-365 + -2x + 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'.
-73 + -0.4x + x2 = 0

Move the constant term to the right:

Add '73' to each side of the equation.
-73 + -0.4x + 73 + x2 = 0 + 73

Reorder the terms:
-73 + 73 + -0.4x + x2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + -0.4x + x2 = 0 + 73
-0.4x + x2 = 0 + 73

Combine like terms: 0 + 73 = 73
-0.4x + x2 = 73

The x term is -0.4x.  Take half its coefficient (-0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
-0.4x + 0.04 + x2 = 73 + 0.04

Reorder the terms:
0.04 + -0.4x + x2 = 73 + 0.04

Combine like terms: 73 + 0.04 = 73.04
0.04 + -0.4x + x2 = 73.04

Factor a perfect square on the left side:
(x + -0.2)(x + -0.2) = 73.04

Calculate the square root of the right side: 8.546344248

Break this problem into two subproblems by setting 
(x + -0.2) equal to 8.546344248 and -8.546344248.

Subproblem 1

x + -0.2 = 8.546344248 Simplifying x + -0.2 = 8.546344248 Reorder the terms: -0.2 + x = 8.546344248 Solving -0.2 + x = 8.546344248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + x = 8.546344248 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + x = 8.546344248 + 0.2 x = 8.546344248 + 0.2 Combine like terms: 8.546344248 + 0.2 = 8.746344248 x = 8.746344248 Simplifying x = 8.746344248

Subproblem 2

x + -0.2 = -8.546344248 Simplifying x + -0.2 = -8.546344248 Reorder the terms: -0.2 + x = -8.546344248 Solving -0.2 + x = -8.546344248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + x = -8.546344248 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + x = -8.546344248 + 0.2 x = -8.546344248 + 0.2 Combine like terms: -8.546344248 + 0.2 = -8.346344248 x = -8.346344248 Simplifying x = -8.346344248

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.746344248, -8.346344248}

See similar equations:

| 40x+8y=48 | | 4p+7=3p+11 | | (5y-4z)(7y+3z)= | | -6=5x-7x-6 | | 4(-3+x)=5x-0.25 | | -b=11 | | 6x-9=3(x+4) | | -(2x-7y+4)= | | 3r+25=-1 | | 19x=-20 | | (7+v)(2v-9)=0 | | -4z+7=-6z-29 | | 4b+6=-12 | | 19=-16+x | | 13/8=x/5 | | -6x-3=-3-7(1+x) | | r-(17.5-19r)t=5t^2 | | Ax-7b=2c | | (x+1)*(x-1)=0 | | 40-8m=-8(m-5) | | 40-8m=8(m-5) | | 5q^2+8q=12 | | (5x-1)*(x-1)=0 | | 2x-97=x+4 | | -8+2x=4x-6 | | 2x-95=x+4 | | 6x+8-x=-47 | | 3=5(x-4)+1-4x | | -4x-x=11(4x-11)+4(4-11x) | | 3=5(x-4)*1-4x | | 6m+3n+4m+8n= | | y=x^2-6x+k |

Equations solver categories