x^2-6x-16=-5x+5

Simple and best practice solution for x^2-6x-16=-5x+5 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-16=-5x+5 equation:


Simplifying
x2 + -6x + -16 = -5x + 5

Reorder the terms:
-16 + -6x + x2 = -5x + 5

Reorder the terms:
-16 + -6x + x2 = 5 + -5x

Solving
-16 + -6x + x2 = 5 + -5x

Solving for variable 'x'.

Reorder the terms:
-16 + -5 + -6x + 5x + x2 = 5 + -5x + -5 + 5x

Combine like terms: -16 + -5 = -21
-21 + -6x + 5x + x2 = 5 + -5x + -5 + 5x

Combine like terms: -6x + 5x = -1x
-21 + -1x + x2 = 5 + -5x + -5 + 5x

Reorder the terms:
-21 + -1x + x2 = 5 + -5 + -5x + 5x

Combine like terms: 5 + -5 = 0
-21 + -1x + x2 = 0 + -5x + 5x
-21 + -1x + x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-21 + -1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '21' to each side of the equation.
-21 + -1x + 21 + x2 = 0 + 21

Reorder the terms:
-21 + 21 + -1x + x2 = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -1x + x2 = 0 + 21
-1x + x2 = 0 + 21

Combine like terms: 0 + 21 = 21
-1x + x2 = 21

The x term is -1x.  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.
-1x + 0.25 + x2 = 21 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 21 + 0.25

Combine like terms: 21 + 0.25 = 21.25
0.25 + -1x + x2 = 21.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 21.25

Calculate the square root of the right side: 4.609772229

Break this problem into two subproblems by setting 
(x + -0.5) equal to 4.609772229 and -4.609772229.

Subproblem 1

x + -0.5 = 4.609772229 Simplifying x + -0.5 = 4.609772229 Reorder the terms: -0.5 + x = 4.609772229 Solving -0.5 + x = 4.609772229 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 = 4.609772229 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 4.609772229 + 0.5 x = 4.609772229 + 0.5 Combine like terms: 4.609772229 + 0.5 = 5.109772229 x = 5.109772229 Simplifying x = 5.109772229

Subproblem 2

x + -0.5 = -4.609772229 Simplifying x + -0.5 = -4.609772229 Reorder the terms: -0.5 + x = -4.609772229 Solving -0.5 + x = -4.609772229 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 = -4.609772229 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -4.609772229 + 0.5 x = -4.609772229 + 0.5 Combine like terms: -4.609772229 + 0.5 = -4.109772229 x = -4.109772229 Simplifying x = -4.109772229

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.109772229, -4.109772229}

See similar equations:

| E^5+12=x | | -2/9x=-1/3 | | 2/9x=4/9 | | x-10-2x-4=-2 | | 2/7x=-8/7 | | (-1)-(8i)-(4)-i= | | 5m-17m-2m=6m-1-m | | 8/7x=8/9 | | 5(n-1)=-15 | | 8/7x=8.9 | | e^4x=4 | | 10x=130+3.5X | | -10u+16=-2(5u-8) | | 5/9x=5/9 | | -3(-5r-7)=-21+8r | | 3(-2)+5y=-10 | | 1.6r+6=1.3r+21 | | 7(75)+12x=1281 | | -1/9x=-1/5 | | 5*5-4(-2)-3= | | 2(x-2)+2=5x-3(-1+x) | | 10x=130+3.5 | | 5(2)+2y=-8 | | 3x^2-17x+5=-5 | | -7y+14=4y-8 | | 5(1)+2y=-8 | | 8/3x=8/9 | | 5(0)+2y=-8 | | -22m+72=13m-68 | | 5(-1)+2y=-8 | | x^4+2x^2-47=0 | | -4(4x-2)-7=-95 |

Equations solver categories