3x=1.3x^2-2x-270

Simple and best practice solution for 3x=1.3x^2-2x-270 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 3x=1.3x^2-2x-270 equation:


Simplifying
3x = 1.3x2 + -2x + -270

Reorder the terms:
3x = -270 + -2x + 1.3x2

Solving
3x = -270 + -2x + 1.3x2

Solving for variable 'x'.

Reorder the terms:
270 + 3x + 2x + -1.3x2 = -270 + -2x + 1.3x2 + 270 + 2x + -1.3x2

Combine like terms: 3x + 2x = 5x
270 + 5x + -1.3x2 = -270 + -2x + 1.3x2 + 270 + 2x + -1.3x2

Reorder the terms:
270 + 5x + -1.3x2 = -270 + 270 + -2x + 2x + 1.3x2 + -1.3x2

Combine like terms: -270 + 270 = 0
270 + 5x + -1.3x2 = 0 + -2x + 2x + 1.3x2 + -1.3x2
270 + 5x + -1.3x2 = -2x + 2x + 1.3x2 + -1.3x2

Combine like terms: -2x + 2x = 0
270 + 5x + -1.3x2 = 0 + 1.3x2 + -1.3x2
270 + 5x + -1.3x2 = 1.3x2 + -1.3x2

Combine like terms: 1.3x2 + -1.3x2 = 0.0
270 + 5x + -1.3x2 = 0.0

Begin completing the square.  Divide all terms by
-1.3 the coefficient of the squared term: 

Divide each side by '-1.3'.
-207.6923077 + -3.846153846x + x2 = 0

Move the constant term to the right:

Add '207.6923077' to each side of the equation.
-207.6923077 + -3.846153846x + 207.6923077 + x2 = 0 + 207.6923077

Reorder the terms:
-207.6923077 + 207.6923077 + -3.846153846x + x2 = 0 + 207.6923077

Combine like terms: -207.6923077 + 207.6923077 = 0.0000000
0.0000000 + -3.846153846x + x2 = 0 + 207.6923077
-3.846153846x + x2 = 0 + 207.6923077

Combine like terms: 0 + 207.6923077 = 207.6923077
-3.846153846x + x2 = 207.6923077

The x term is -3.846153846x.  Take half its coefficient (-1.923076923).
Square it (3.698224852) and add it to both sides.

Add '3.698224852' to each side of the equation.
-3.846153846x + 3.698224852 + x2 = 207.6923077 + 3.698224852

Reorder the terms:
3.698224852 + -3.846153846x + x2 = 207.6923077 + 3.698224852

Combine like terms: 207.6923077 + 3.698224852 = 211.390532552
3.698224852 + -3.846153846x + x2 = 211.390532552

Factor a perfect square on the left side:
(x + -1.923076923)(x + -1.923076923) = 211.390532552

Calculate the square root of the right side: 14.539275517

Break this problem into two subproblems by setting 
(x + -1.923076923) equal to 14.539275517 and -14.539275517.

Subproblem 1

x + -1.923076923 = 14.539275517 Simplifying x + -1.923076923 = 14.539275517 Reorder the terms: -1.923076923 + x = 14.539275517 Solving -1.923076923 + x = 14.539275517 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.923076923' to each side of the equation. -1.923076923 + 1.923076923 + x = 14.539275517 + 1.923076923 Combine like terms: -1.923076923 + 1.923076923 = 0.000000000 0.000000000 + x = 14.539275517 + 1.923076923 x = 14.539275517 + 1.923076923 Combine like terms: 14.539275517 + 1.923076923 = 16.46235244 x = 16.46235244 Simplifying x = 16.46235244

Subproblem 2

x + -1.923076923 = -14.539275517 Simplifying x + -1.923076923 = -14.539275517 Reorder the terms: -1.923076923 + x = -14.539275517 Solving -1.923076923 + x = -14.539275517 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.923076923' to each side of the equation. -1.923076923 + 1.923076923 + x = -14.539275517 + 1.923076923 Combine like terms: -1.923076923 + 1.923076923 = 0.000000000 0.000000000 + x = -14.539275517 + 1.923076923 x = -14.539275517 + 1.923076923 Combine like terms: -14.539275517 + 1.923076923 = -12.616198594 x = -12.616198594 Simplifying x = -12.616198594

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.46235244, -12.616198594}

See similar equations:

| 5x-6=-4 | | 2x+4=1.7x^2-7x-230 | | -1.6d=-4 | | -4.7h=-28 | | 5/3-3/2v=-7/2 | | n/5/-16=-1 | | a-98=-2 | | 2.9s=-6 | | 7x+5=1.4x^2+7x-270 | | 6x+3=8x-2 | | 3/7x+6/7=-3/7 | | -3(2x-6)(8x+1)=0 | | -2y-25=5y+17 | | y^2+x^2+10x=9 | | 9m-4=8-178+2m | | y^2+16y=17 | | -(13-9x)=-9x | | (3x-1)(x)=44 | | 3-(3x+2)=15 | | 2x+3=-9-5x | | -7/5x-7/3=-7/4 | | -3(x-8)+5=29 | | 9x-4=7+5x | | -(4y+2)-(-3y-3)=-4 | | 16-49x^2=0 | | 1/5-1=9 | | (-2x^4y)(-6x^5y^6)= | | 0.25y+9=.5 | | 4.5=-4.7g | | 3x+y=179 | | 3y+x=179 | | 3.4-1.3z=1.4 |

Equations solver categories