x=1.2x^2+14x+85

Simple and best practice solution for x=1.2x^2+14x+85 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=1.2x^2+14x+85 equation:


Simplifying
x = 1.2x2 + 14x + 85

Reorder the terms:
x = 85 + 14x + 1.2x2

Solving
x = 85 + 14x + 1.2x2

Solving for variable 'x'.

Reorder the terms:
-85 + x + -14x + -1.2x2 = 85 + 14x + 1.2x2 + -85 + -14x + -1.2x2

Combine like terms: x + -14x = -13x
-85 + -13x + -1.2x2 = 85 + 14x + 1.2x2 + -85 + -14x + -1.2x2

Reorder the terms:
-85 + -13x + -1.2x2 = 85 + -85 + 14x + -14x + 1.2x2 + -1.2x2

Combine like terms: 85 + -85 = 0
-85 + -13x + -1.2x2 = 0 + 14x + -14x + 1.2x2 + -1.2x2
-85 + -13x + -1.2x2 = 14x + -14x + 1.2x2 + -1.2x2

Combine like terms: 14x + -14x = 0
-85 + -13x + -1.2x2 = 0 + 1.2x2 + -1.2x2
-85 + -13x + -1.2x2 = 1.2x2 + -1.2x2

Combine like terms: 1.2x2 + -1.2x2 = 0.0
-85 + -13x + -1.2x2 = 0.0

Begin completing the square.  Divide all terms by
-1.2 the coefficient of the squared term: 

Divide each side by '-1.2'.
70.83333333 + 10.83333333x + x2 = 0

Move the constant term to the right:

Add '-70.83333333' to each side of the equation.
70.83333333 + 10.83333333x + -70.83333333 + x2 = 0 + -70.83333333

Reorder the terms:
70.83333333 + -70.83333333 + 10.83333333x + x2 = 0 + -70.83333333

Combine like terms: 70.83333333 + -70.83333333 = 0.00000000
0.00000000 + 10.83333333x + x2 = 0 + -70.83333333
10.83333333x + x2 = 0 + -70.83333333

Combine like terms: 0 + -70.83333333 = -70.83333333
10.83333333x + x2 = -70.83333333

The x term is 10.83333333x.  Take half its coefficient (5.416666665).
Square it (29.34027776) and add it to both sides.

Add '29.34027776' to each side of the equation.
10.83333333x + 29.34027776 + x2 = -70.83333333 + 29.34027776

Reorder the terms:
29.34027776 + 10.83333333x + x2 = -70.83333333 + 29.34027776

Combine like terms: -70.83333333 + 29.34027776 = -41.49305557
29.34027776 + 10.83333333x + x2 = -41.49305557

Factor a perfect square on the left side:
(x + 5.416666665)(x + 5.416666665) = -41.49305557

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6x-5+x=9 | | 8x-7w+3x+3y+7y+7w= | | y=5(3)-6 | | 13+9x+138=3x-7 | | -5(-10+X)=-10 | | 2(12y-22)=-4+24y | | 3x-(x+6)=-12 | | 3x+351=12 | | 4x+3-x=8x+4 | | 8x1/2 | | -w+51=163 | | 2x-4+5x=24 | | 5x/8=x-4/4 | | 11-u=229 | | 3(2-x)=3x+2 | | 0=x^2-10x+8 | | 6(2x-7)=2(4x-1) | | ydx-(x-0.5x^3y)dy=0 | | 66+72=197m | | z/-2=6 | | z/-2≈6 | | -10+7X=X+44 | | -1(x-0)= | | 99+x=x+99 | | 2x+1+3x-4+1x+1=52 | | 5(2x-4)-8x=5x-5 | | ((9/2)/2) | | x+(x+5)=176 | | 5x-542=612.7 | | 6x-54=14+2(x-4)+2x | | 15x+7=5x-20 | | 2x+1+3x-4+1x-26=52 |

Equations solver categories