x^2+2x-294=0

Simple and best practice solution for x^2+2x-294=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+2x-294=0 equation:


Simplifying
x2 + 2x + -294 = 0

Reorder the terms:
-294 + 2x + x2 = 0

Solving
-294 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '294' to each side of the equation.
-294 + 2x + 294 + x2 = 0 + 294

Reorder the terms:
-294 + 294 + 2x + x2 = 0 + 294

Combine like terms: -294 + 294 = 0
0 + 2x + x2 = 0 + 294
2x + x2 = 0 + 294

Combine like terms: 0 + 294 = 294
2x + x2 = 294

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 294 + 1

Reorder the terms:
1 + 2x + x2 = 294 + 1

Combine like terms: 294 + 1 = 295
1 + 2x + x2 = 295

Factor a perfect square on the left side:
(x + 1)(x + 1) = 295

Calculate the square root of the right side: 17.175564037

Break this problem into two subproblems by setting 
(x + 1) equal to 17.175564037 and -17.175564037.

Subproblem 1

x + 1 = 17.175564037 Simplifying x + 1 = 17.175564037 Reorder the terms: 1 + x = 17.175564037 Solving 1 + x = 17.175564037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 17.175564037 + -1 Combine like terms: 1 + -1 = 0 0 + x = 17.175564037 + -1 x = 17.175564037 + -1 Combine like terms: 17.175564037 + -1 = 16.175564037 x = 16.175564037 Simplifying x = 16.175564037

Subproblem 2

x + 1 = -17.175564037 Simplifying x + 1 = -17.175564037 Reorder the terms: 1 + x = -17.175564037 Solving 1 + x = -17.175564037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -17.175564037 + -1 Combine like terms: 1 + -1 = 0 0 + x = -17.175564037 + -1 x = -17.175564037 + -1 Combine like terms: -17.175564037 + -1 = -18.175564037 x = -18.175564037 Simplifying x = -18.175564037

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.175564037, -18.175564037}

See similar equations:

| 4x=-16x | | 30-7x=11+12x | | 5x+8y=-36 | | 34=-4a+8a | | 0.8=12/x | | 2*9+h=20 | | 7a-3=5a-15 | | 7x+5=10x+6 | | 2(x-2)-60=6x-8(x+4) | | x^3+18x^2+108x+152=0 | | 6x+2x=-44 | | 10x-30=10(0.75x) | | 2x-5=2x-9 | | n/9=4/18 | | 126=16t^2+90t | | 2x-1.8=4x-4.4 | | X=2y^2+12y+18 | | 4x*(6x+8)=5x*(6x-10) | | 6f+4(f+2)= | | 22+-12k=-14 | | 9(x-2)=3(x-7) | | 8/4=t/8 | | 2xy(12xy+22xy+54)= | | X+3=-3-2x | | 0=2t^3+12t^2-72t | | in(2x-1)=0 | | 4x^2=1196 | | 4(x+14)-3(x+2)=3(x-6)+4(x-4) | | 4z^2-9/16=0 | | 7x-6=18x^2 | | -x+1+9x=-2+5x+9 | | 90=4(8b+16) |

Equations solver categories