2x^2+2x-675=0

Simple and best practice solution for 2x^2+2x-675=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 2x^2+2x-675=0 equation:


Simplifying
2x2 + 2x + -675 = 0

Reorder the terms:
-675 + 2x + 2x2 = 0

Solving
-675 + 2x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-337.5 + x + x2 = 0

Move the constant term to the right:

Add '337.5' to each side of the equation.
-337.5 + x + 337.5 + x2 = 0 + 337.5

Reorder the terms:
-337.5 + 337.5 + x + x2 = 0 + 337.5

Combine like terms: -337.5 + 337.5 = 0.0
0.0 + x + x2 = 0 + 337.5
x + x2 = 0 + 337.5

Combine like terms: 0 + 337.5 = 337.5
x + x2 = 337.5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = 337.5 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 337.5 + 0.25

Combine like terms: 337.5 + 0.25 = 337.75
1.25 + x2 = 337.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 337.75

Calculate the square root of the right side: 18.377975949

Break this problem into two subproblems by setting 
(x + 0.5) equal to 18.377975949 and -18.377975949.

Subproblem 1

x + 0.5 = 18.377975949 Simplifying x + 0.5 = 18.377975949 Reorder the terms: 0.5 + x = 18.377975949 Solving 0.5 + x = 18.377975949 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 18.377975949 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 18.377975949 + -0.5 x = 18.377975949 + -0.5 Combine like terms: 18.377975949 + -0.5 = 17.877975949 x = 17.877975949 Simplifying x = 17.877975949

Subproblem 2

x + 0.5 = -18.377975949 Simplifying x + 0.5 = -18.377975949 Reorder the terms: 0.5 + x = -18.377975949 Solving 0.5 + x = -18.377975949 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -18.377975949 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -18.377975949 + -0.5 x = -18.377975949 + -0.5 Combine like terms: -18.377975949 + -0.5 = -18.877975949 x = -18.877975949 Simplifying x = -18.877975949

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.877975949, -18.877975949}

See similar equations:

| 10x+1=20x-3 | | x-1.5(x+5)=-0.5(x+1)-7 | | x^3-3*x^2+2x-720=0 | | y=0.1x(x-30) | | 3G+8(2-6)=2+14g | | (x+1)(x+2)(x-6)(x-7)=180 | | -6(4-7)=12t | | 7x+(8x+6)=3.63 | | 6+7x=32+6x | | 105729*9=x | | ln(2x)+ln(x-7)-2ln(x-4)=0 | | 4x-1y+4=0 | | 2x+24y-1920=0 | | 3x+5y-1x+2y-3y= | | 5x^2=18x | | 3r-4r+5b-4b= | | 7x+6Y-9=0 | | 35(5-6X)=70(8-4X) | | 4y-3=11y+25 | | 0=s^3+3s^2-4 | | 0=s^3+3s^2-5 | | 6x^2+14+4= | | 5x-3(x-4)=10 | | 3x-6/7=-2 | | 4x+7y=210 | | 6(3)=30 | | 4x+6y=1400 | | 4(m-1)-(m+3)=8 | | 81+r^2=(9+r^2) | | 48+x=21x+2 | | 81+r^2=(3+r) | | x^8+x^6+x^4+x^2+1=0 |

Equations solver categories