x^2-5x-3=

Simple and best practice solution for x^2-5x-3= 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^2-5x-3= equation:


Simplifying
x2 + -5x + -3 = 0

Reorder the terms:
-3 + -5x + x2 = 0

Solving
-3 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -5x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -5x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -5x + x2 = 0 + 3
-5x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-5x + x2 = 3

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = 3 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 3 + 6.25

Combine like terms: 3 + 6.25 = 9.25
6.25 + -5x + x2 = 9.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 9.25

Calculate the square root of the right side: 3.041381265

Break this problem into two subproblems by setting 
(x + -2.5) equal to 3.041381265 and -3.041381265.

Subproblem 1

x + -2.5 = 3.041381265 Simplifying x + -2.5 = 3.041381265 Reorder the terms: -2.5 + x = 3.041381265 Solving -2.5 + x = 3.041381265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 3.041381265 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 3.041381265 + 2.5 x = 3.041381265 + 2.5 Combine like terms: 3.041381265 + 2.5 = 5.541381265 x = 5.541381265 Simplifying x = 5.541381265

Subproblem 2

x + -2.5 = -3.041381265 Simplifying x + -2.5 = -3.041381265 Reorder the terms: -2.5 + x = -3.041381265 Solving -2.5 + x = -3.041381265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -3.041381265 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -3.041381265 + 2.5 x = -3.041381265 + 2.5 Combine like terms: -3.041381265 + 2.5 = -0.541381265 x = -0.541381265 Simplifying x = -0.541381265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.541381265, -0.541381265}

See similar equations:

| -4(x+7)-42=3-41 | | 14x=-55 | | -3/8+1/8 | | -4+-10= | | -30=-4x+7x | | 4-2c+8-6c= | | +2(-6+3)+4= | | 14(x-3)=-5-9 | | -13=7+v/5 | | 3-9r+6=9 | | 5x-3-10=3x-1+6 | | -4=8p-7p | | a^2+5a= | | 7=3n-4n | | 23=3u+5 | | 13y=12(y+17) | | -4(3-1)= | | 31=7-6x | | -16+6=m-3 | | 29.875-1.1875y+y=28 | | -2x-x=-12 | | c(4)=6.28 | | 12x^3+14y^2-40x=0 | | x+4/-2=-17 | | -2y+3=4 | | 27=8n+n | | -2(-5+3)= | | 3(y-1)+y=5y | | 12gx-6gy+24gz= | | ((9x^7)/(y^8))(x^9)/((36x^3)y) | | (2u-7)(1u)=0 | | 3(x-2)-5=5x-2(4+x) |

Equations solver categories