-10=-x^2+2x-6

Simple and best practice solution for -10=-x^2+2x-6 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 -10=-x^2+2x-6 equation:


Simplifying
-10 = -1x2 + 2x + -6

Reorder the terms:
-10 = -6 + 2x + -1x2

Solving
-10 = -6 + 2x + -1x2

Solving for variable 'x'.

Combine like terms: -10 + 6 = -4
-4 + -2x + x2 = -6 + 2x + -1x2 + 6 + -2x + x2

Reorder the terms:
-4 + -2x + x2 = -6 + 6 + 2x + -2x + -1x2 + x2

Combine like terms: -6 + 6 = 0
-4 + -2x + x2 = 0 + 2x + -2x + -1x2 + x2
-4 + -2x + x2 = 2x + -2x + -1x2 + x2

Combine like terms: 2x + -2x = 0
-4 + -2x + x2 = 0 + -1x2 + x2
-4 + -2x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-4 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -2x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -2x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2x + x2 = 0 + 4
-2x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-2x + x2 = 4

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 = 4 + 1

Reorder the terms:
1 + -2x + x2 = 4 + 1

Combine like terms: 4 + 1 = 5
1 + -2x + x2 = 5

Factor a perfect square on the left side:
(x + -1)(x + -1) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + -1) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + -1 = 2.236067978 Simplifying x + -1 = 2.236067978 Reorder the terms: -1 + x = 2.236067978 Solving -1 + x = 2.236067978 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 = 2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x = 2.236067978 + 1 x = 2.236067978 + 1 Combine like terms: 2.236067978 + 1 = 3.236067978 x = 3.236067978 Simplifying x = 3.236067978

Subproblem 2

x + -1 = -2.236067978 Simplifying x + -1 = -2.236067978 Reorder the terms: -1 + x = -2.236067978 Solving -1 + x = -2.236067978 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 = -2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x = -2.236067978 + 1 x = -2.236067978 + 1 Combine like terms: -2.236067978 + 1 = -1.236067978 x = -1.236067978 Simplifying x = -1.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.236067978, -1.236067978}

See similar equations:

| 7x+5=-3x+2 | | 8+7x+7x=148 | | 3+1/2n=17-(3n) | | 3a+6-7a=2a+18 | | y=x^2+8x+2 | | -19k+33=-8k | | (n-1)(n)(n+1)=210 | | 3d+4d-5=6d+7d+7 | | -19k+33+18=-8k | | x/x-6+3=6/x-6 | | x^4+2x^2-5x+1=0 | | 9y-7=-7 | | (x/x-6)+3=(6/x-6) | | 13=-d+7 | | 106=19p+6+6p | | 7=2[x-5] | | 32=5x+22-3x | | 2(x+3)+7=15(x-12)-2 | | 7x-(9x+8)=4x-38 | | 5n+5m+-8=3m+n | | x/8=19/38 | | 8x-9=8(x+8) | | 5x-2(x-3)=-2+5x+4 | | 0=7(2M+6)+8M | | w=2mt | | 4n+5m-7=3m+n | | (10x^5-x^4)-(4x^5+3x^4)= | | 15n+25=2(2-7) | | 6(3-2x)+2x=4(3x-6)-2 | | 9/11=x/44 | | -10(0)+8y=-40 | | 10/9=30/x |

Equations solver categories