2-x^2+x-3x=

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


Simplifying
2 + -1x2 + x + -3x = 0

Reorder the terms:
2 + x + -3x + -1x2 = 0

Combine like terms: x + -3x = -2x
2 + -2x + -1x2 = 0

Solving
2 + -2x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-2 + 2x + x2 = 0

Move the constant term to the right:

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

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

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

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

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 = 2 + 1

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

Combine like terms: 2 + 1 = 3
1 + 2x + x2 = 3

Factor a perfect square on the left side:
(x + 1)(x + 1) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(x + 1) equal to 1.732050808 and -1.732050808.

Subproblem 1

x + 1 = 1.732050808 Simplifying x + 1 = 1.732050808 Reorder the terms: 1 + x = 1.732050808 Solving 1 + x = 1.732050808 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 = 1.732050808 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.732050808 + -1 x = 1.732050808 + -1 Combine like terms: 1.732050808 + -1 = 0.732050808 x = 0.732050808 Simplifying x = 0.732050808

Subproblem 2

x + 1 = -1.732050808 Simplifying x + 1 = -1.732050808 Reorder the terms: 1 + x = -1.732050808 Solving 1 + x = -1.732050808 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 = -1.732050808 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.732050808 + -1 x = -1.732050808 + -1 Combine like terms: -1.732050808 + -1 = -2.732050808 x = -2.732050808 Simplifying x = -2.732050808

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.732050808, -2.732050808}

See similar equations:

| 12+9-4x-4=3x-7x+30 | | x^2-x+2x= | | 12x^2+8x-4=0 | | -24=-19+n | | (2w)-(4w)=(-10) | | h=-16t^2+38.4t+0.96 | | 3(3x-1)=12(x-1) | | 5v^2+27v-18=0 | | x(x+2)-136=0 | | 24x-12=516 | | 1.5x-4.5y= | | 8*-9-4Y=-46 | | -1+i= | | 6x^8-12x^5-48x^2=0 | | 4x+4y+4-2y-6x-6= | | 10-4-4-4= | | 4m+7=15 | | 5x-7x^2+x^2= | | 3v^2-13v+14=0 | | y=-9+11x | | 72s^2-50v^2=0 | | 9x+18=72 | | 4(1+109x)=7 | | 52=-2x+3 | | 11=12-1q | | -7=1.5x+5 | | (2x-1)(3x-1)=0 | | 5ab-4a+4ab-7a= | | 2x+5y=200 | | .5(4x+2y-z)= | | 3m-6=2(m-1) | | .5(4x+2y)= |

Equations solver categories