-x^2+6x-3=0

Simple and best practice solution for -x^2+6x-3=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+6x-3=0 equation:


Simplifying
-1x2 + 6x + -3 = 0

Reorder the terms:
-3 + 6x + -1x2 = 0

Solving
-3 + 6x + -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'.
3 + -6x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -6x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -6x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -6x + x2 = 0 + -3
-6x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-6x + x2 = -3

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -3 + 9

Reorder the terms:
9 + -6x + x2 = -3 + 9

Combine like terms: -3 + 9 = 6
9 + -6x + x2 = 6

Factor a perfect square on the left side:
(x + -3)(x + -3) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(x + -3) equal to 2.449489743 and -2.449489743.

Subproblem 1

x + -3 = 2.449489743 Simplifying x + -3 = 2.449489743 Reorder the terms: -3 + x = 2.449489743 Solving -3 + x = 2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 2.449489743 + 3 Combine like terms: -3 + 3 = 0 0 + x = 2.449489743 + 3 x = 2.449489743 + 3 Combine like terms: 2.449489743 + 3 = 5.449489743 x = 5.449489743 Simplifying x = 5.449489743

Subproblem 2

x + -3 = -2.449489743 Simplifying x + -3 = -2.449489743 Reorder the terms: -3 + x = -2.449489743 Solving -3 + x = -2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -2.449489743 + 3 Combine like terms: -3 + 3 = 0 0 + x = -2.449489743 + 3 x = -2.449489743 + 3 Combine like terms: -2.449489743 + 3 = 0.550510257 x = 0.550510257 Simplifying x = 0.550510257

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.449489743, 0.550510257}

See similar equations:

| 6w-40=110 | | -x+9y=21 | | -2x+2y-6z=6 | | x-y+3z=3 | | 7x+8y=-5 | | 15-10y=27-3y+6 | | -1+x/2=-5 | | 3x^2-27x=54 | | -3x^2+11x-11=0 | | 45n+34=-2(1-7n) | | 10+y^2=-11y | | -3(4y-2)-y=-4(y-4) | | 0.2w=10 | | 2(2x+3)=16 | | 2x+x=1200 | | -3x^2+x+14=0 | | -x^2-6x-2=0 | | 3x^2+x+14=0 | | -4x-22=29 | | 3+x/4=8 | | x(x+3)(2x+1)=0 | | (x-1)(x-1)-(x+4)(x+4)=-2x+1 | | 7/8-5/6 | | 5x+2(11+4x)=82+x | | -15.00+2.00t=15 | | -15.00t+2.00t=15 | | a=10b | | 7x-2=-7x+4 | | -15.00+2.00t=13 | | .5(2x-2)=10 | | x-(-2x-4)=-5 | | (3x-2)-(5x-4)= |

Equations solver categories