x*x-x*6-7*x-(-6)*9=

Simple and best practice solution for x*x-x*6-7*x-(-6)*9= 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*x-x*6-7*x-(-6)*9= equation:


Simplifying
x * x + -1x * 6 + -7x + -1(-6) * 9 = 0

Multiply x * x
x2 + -1x * 6 + -7x + -1(-6) * 9 = 0

Reorder the terms for easier multiplication:
x2 + -1 * 6x + -7x + -1(-6) * 9 = 0

Multiply -1 * 6
x2 + -6x + -7x + -1(-6) * 9 = 0

Multiply -1 * -6
x2 + -6x + -7x + 6 * 9 = 0

Multiply 6 * 9
x2 + -6x + -7x + 54 = 0

Reorder the terms:
54 + -6x + -7x + x2 = 0

Combine like terms: -6x + -7x = -13x
54 + -13x + x2 = 0

Solving
54 + -13x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-54' to each side of the equation.
54 + -13x + -54 + x2 = 0 + -54

Reorder the terms:
54 + -54 + -13x + x2 = 0 + -54

Combine like terms: 54 + -54 = 0
0 + -13x + x2 = 0 + -54
-13x + x2 = 0 + -54

Combine like terms: 0 + -54 = -54
-13x + x2 = -54

The x term is -13x.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13x + 42.25 + x2 = -54 + 42.25

Reorder the terms:
42.25 + -13x + x2 = -54 + 42.25

Combine like terms: -54 + 42.25 = -11.75
42.25 + -13x + x2 = -11.75

Factor a perfect square on the left side:
(x + -6.5)(x + -6.5) = -11.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0.08(24)+0.02=0.04(18+x) | | 36m^2-132mn+121n^2=0 | | x^2-6=3x+4 | | -3X+4X=2*4-X | | 3a^2+8ab-3b^2=0 | | x^2-19x-8100=0 | | 4t^3-64t^2-128t=0 | | 90x^2-19m-90=0 | | r+36=24 | | x*2+10x+21=0 | | 6k^2+5k-21=0 | | 12v^2-36vw-48w^2=0 | | 8+2x*6=x*7+13 | | 8X-5=7X+5 | | 9gh+49-9h^2-9gh=0 | | 2.8x+13.757=3-2.96x | | y=8x^2+7x-6 | | 108=x(36) | | y=(8x-5)(8x-5)(8x-5)(8x-5)(8x-5)(8x-5) | | 2m-4m=18 | | 2x^2-13=2x | | x^2-4x=6x | | x^2+20x=3 | | y=-4x-25 | | -5x^2+20x+20=0 | | x^2-14x-1=0 | | r^2+6r-4752=0 | | r^2+15r-4752=0 | | -9(u-4)=-3u+42 | | y-57=3(x-5) | | 4x(x-5)= | | 100r^2-850r-40000=0 |

Equations solver categories