x^2-9=6x-5

Simple and best practice solution for x^2-9=6x-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^2-9=6x-5 equation:


Simplifying
x2 + -9 = 6x + -5

Reorder the terms:
-9 + x2 = 6x + -5

Reorder the terms:
-9 + x2 = -5 + 6x

Solving
-9 + x2 = -5 + 6x

Solving for variable 'x'.

Reorder the terms:
-9 + 5 + -6x + x2 = -5 + 6x + 5 + -6x

Combine like terms: -9 + 5 = -4
-4 + -6x + x2 = -5 + 6x + 5 + -6x

Reorder the terms:
-4 + -6x + x2 = -5 + 5 + 6x + -6x

Combine like terms: -5 + 5 = 0
-4 + -6x + x2 = 0 + 6x + -6x
-4 + -6x + x2 = 6x + -6x

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

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -6x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -6x + x2 = 0 + 4

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

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

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 = 4 + 9

Reorder the terms:
9 + -6x + x2 = 4 + 9

Combine like terms: 4 + 9 = 13
9 + -6x + x2 = 13

Factor a perfect square on the left side:
(x + -3)(x + -3) = 13

Calculate the square root of the right side: 3.605551275

Break this problem into two subproblems by setting 
(x + -3) equal to 3.605551275 and -3.605551275.

Subproblem 1

x + -3 = 3.605551275 Simplifying x + -3 = 3.605551275 Reorder the terms: -3 + x = 3.605551275 Solving -3 + x = 3.605551275 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 = 3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.605551275 + 3 x = 3.605551275 + 3 Combine like terms: 3.605551275 + 3 = 6.605551275 x = 6.605551275 Simplifying x = 6.605551275

Subproblem 2

x + -3 = -3.605551275 Simplifying x + -3 = -3.605551275 Reorder the terms: -3 + x = -3.605551275 Solving -3 + x = -3.605551275 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 = -3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.605551275 + 3 x = -3.605551275 + 3 Combine like terms: -3.605551275 + 3 = -0.605551275 x = -0.605551275 Simplifying x = -0.605551275

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.605551275, -0.605551275}

See similar equations:

| x^2-9=6-5 | | 6x-7=4x-(2x-9) | | 12x^2-27x+27=0 | | x=-4times-8 | | 9v/8-7v/4=-3 | | 10b^2-6b=0 | | 7/2/1/5 | | u=v/12 | | 3x+8+9=-6x | | 4m(m+6)=0 | | 4y=2(75-y) | | 2(b-4)=6 | | n=15m | | 7x=y+16 | | s-15=p | | x(8x-17)=0 | | 4y=2(75-x) | | x+x(0.13)=1356 | | 27=-4(2y+7) | | x+3=14-6 | | x+x(.013)=1356 | | Y=11x^2-19 | | -w+157=92 | | 32-x=201 | | 2-1/3y=0 | | ln(.6)=1.8-ln(3x) | | y-30=1/4(x-160) | | y-30=1/4(x-160 | | 13=v/3-16 | | v/5-13=11 | | -34=w/9 | | 61271000000x+27829522500(5x)=312000 |

Equations solver categories