x^2+3x-58=0

Simple and best practice solution for x^2+3x-58=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+3x-58=0 equation:


Simplifying
x2 + 3x + -58 = 0

Reorder the terms:
-58 + 3x + x2 = 0

Solving
-58 + 3x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '58' to each side of the equation.
-58 + 3x + 58 + x2 = 0 + 58

Reorder the terms:
-58 + 58 + 3x + x2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + 3x + x2 = 0 + 58
3x + x2 = 0 + 58

Combine like terms: 0 + 58 = 58
3x + x2 = 58

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 58 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 58 + 2.25

Combine like terms: 58 + 2.25 = 60.25
2.25 + 3x + x2 = 60.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 60.25

Calculate the square root of the right side: 7.762087348

Break this problem into two subproblems by setting 
(x + 1.5) equal to 7.762087348 and -7.762087348.

Subproblem 1

x + 1.5 = 7.762087348 Simplifying x + 1.5 = 7.762087348 Reorder the terms: 1.5 + x = 7.762087348 Solving 1.5 + x = 7.762087348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 7.762087348 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 7.762087348 + -1.5 x = 7.762087348 + -1.5 Combine like terms: 7.762087348 + -1.5 = 6.262087348 x = 6.262087348 Simplifying x = 6.262087348

Subproblem 2

x + 1.5 = -7.762087348 Simplifying x + 1.5 = -7.762087348 Reorder the terms: 1.5 + x = -7.762087348 Solving 1.5 + x = -7.762087348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -7.762087348 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -7.762087348 + -1.5 x = -7.762087348 + -1.5 Combine like terms: -7.762087348 + -1.5 = -9.262087348 x = -9.262087348 Simplifying x = -9.262087348

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.262087348, -9.262087348}

See similar equations:

| X+1.1=3.001 | | -34+p=49 | | -8x^2-2x+3=0 | | -4(t-1)+8t=6t-8 | | 18x+60=6x^2 | | (-a-6b+2)7ab= | | x/7+6=x/7 | | -6+9(x-2)=15x+3-6x | | 6x+9=3x+57 | | X-1.2=3.2 | | 5(x-2)+6=3x+2(-1+x) | | x+x(1.4)=145 | | 0=x^2+10x+3 | | 0.4x-0.8(15-4x)=-0.6(x-8) | | A=nc | | 5x+14y=35 | | 13x-23=3(2x-6)+7x-5 | | -5/3*10 | | -2x^2=9x | | 325/1000 | | 3y+15=2y+39 | | 24/x=6/3 | | y=6x+-15 | | 3p-5p=12 | | 3x+12x=135 | | -5(3t-3)+7t=2t-2 | | sx+Ty=v | | 5x+7x=140 | | 6x-8=4+-2x | | 6x-8=4-2x | | -10=8m+13m | | x^2-16+3(x^2-16)^1/2-18=0 |

Equations solver categories