7x+18x-99=6x^2-4x+5

Simple and best practice solution for 7x+18x-99=6x^2-4x+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 7x+18x-99=6x^2-4x+5 equation:


Simplifying
7x + 18x + -99 = 6x2 + -4x + 5

Reorder the terms:
-99 + 7x + 18x = 6x2 + -4x + 5

Combine like terms: 7x + 18x = 25x
-99 + 25x = 6x2 + -4x + 5

Reorder the terms:
-99 + 25x = 5 + -4x + 6x2

Solving
-99 + 25x = 5 + -4x + 6x2

Solving for variable 'x'.

Reorder the terms:
-99 + -5 + 25x + 4x + -6x2 = 5 + -4x + 6x2 + -5 + 4x + -6x2

Combine like terms: -99 + -5 = -104
-104 + 25x + 4x + -6x2 = 5 + -4x + 6x2 + -5 + 4x + -6x2

Combine like terms: 25x + 4x = 29x
-104 + 29x + -6x2 = 5 + -4x + 6x2 + -5 + 4x + -6x2

Reorder the terms:
-104 + 29x + -6x2 = 5 + -5 + -4x + 4x + 6x2 + -6x2

Combine like terms: 5 + -5 = 0
-104 + 29x + -6x2 = 0 + -4x + 4x + 6x2 + -6x2
-104 + 29x + -6x2 = -4x + 4x + 6x2 + -6x2

Combine like terms: -4x + 4x = 0
-104 + 29x + -6x2 = 0 + 6x2 + -6x2
-104 + 29x + -6x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-104 + 29x + -6x2 = 0

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
17.33333333 + -4.833333333x + x2 = 0

Move the constant term to the right:

Add '-17.33333333' to each side of the equation.
17.33333333 + -4.833333333x + -17.33333333 + x2 = 0 + -17.33333333

Reorder the terms:
17.33333333 + -17.33333333 + -4.833333333x + x2 = 0 + -17.33333333

Combine like terms: 17.33333333 + -17.33333333 = 0.00000000
0.00000000 + -4.833333333x + x2 = 0 + -17.33333333
-4.833333333x + x2 = 0 + -17.33333333

Combine like terms: 0 + -17.33333333 = -17.33333333
-4.833333333x + x2 = -17.33333333

The x term is -4.833333333x.  Take half its coefficient (-2.416666667).
Square it (5.840277779) and add it to both sides.

Add '5.840277779' to each side of the equation.
-4.833333333x + 5.840277779 + x2 = -17.33333333 + 5.840277779

Reorder the terms:
5.840277779 + -4.833333333x + x2 = -17.33333333 + 5.840277779

Combine like terms: -17.33333333 + 5.840277779 = -11.493055551
5.840277779 + -4.833333333x + x2 = -11.493055551

Factor a perfect square on the left side:
(x + -2.416666667)(x + -2.416666667) = -11.493055551

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8(x-1)=-7(x+3)+46 | | 8(x-1)=-7(x+3)46 | | 0=(4x^3)-100x+1 | | 76-2=9x+21 | | 0=4x^2-100x+1 | | 2(2x-1)=-x-47 | | 2(5x+3)=-x-49 | | 15+x-.1=15 | | 2x+25=10x-39 | | n^2+n-182= | | x-x^2=0 | | 3(x-1)=30 | | 2(x-2)=4x-6 | | 2(2x^2-5)+12=3x^2+5 | | 5x+12=3x+28 | | 7x+7=55 | | 2x-6+4x=2 | | 166-3x=42x+21 | | x^2-16x-80= | | 6x+25=13x-45 | | 10x^2+5xy-30y^2= | | 6-10x=81-45x | | 12p=1 | | n^2-181= | | 132-2x=6x-20 | | 3x^2-1=x^2+17 | | 9.8-16r=-15.7-r | | 3+4ln(x)=6 | | (2y+3)(5y-2)= | | 5x+5=4x+10 | | 3x^2-x+5=x^2+3x-14 | | (0.04)x+(0.02)(3700-x)= |

Equations solver categories