2x+4=1.7x^2-7x-230

Simple and best practice solution for 2x+4=1.7x^2-7x-230 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 2x+4=1.7x^2-7x-230 equation:


Simplifying
2x + 4 = 1.7x2 + -7x + -230

Reorder the terms:
4 + 2x = 1.7x2 + -7x + -230

Reorder the terms:
4 + 2x = -230 + -7x + 1.7x2

Solving
4 + 2x = -230 + -7x + 1.7x2

Solving for variable 'x'.

Reorder the terms:
4 + 230 + 2x + 7x + -1.7x2 = -230 + -7x + 1.7x2 + 230 + 7x + -1.7x2

Combine like terms: 4 + 230 = 234
234 + 2x + 7x + -1.7x2 = -230 + -7x + 1.7x2 + 230 + 7x + -1.7x2

Combine like terms: 2x + 7x = 9x
234 + 9x + -1.7x2 = -230 + -7x + 1.7x2 + 230 + 7x + -1.7x2

Reorder the terms:
234 + 9x + -1.7x2 = -230 + 230 + -7x + 7x + 1.7x2 + -1.7x2

Combine like terms: -230 + 230 = 0
234 + 9x + -1.7x2 = 0 + -7x + 7x + 1.7x2 + -1.7x2
234 + 9x + -1.7x2 = -7x + 7x + 1.7x2 + -1.7x2

Combine like terms: -7x + 7x = 0
234 + 9x + -1.7x2 = 0 + 1.7x2 + -1.7x2
234 + 9x + -1.7x2 = 1.7x2 + -1.7x2

Combine like terms: 1.7x2 + -1.7x2 = 0.0
234 + 9x + -1.7x2 = 0.0

Begin completing the square.  Divide all terms by
-1.7 the coefficient of the squared term: 

Divide each side by '-1.7'.
-137.6470588 + -5.294117647x + x2 = 0

Move the constant term to the right:

Add '137.6470588' to each side of the equation.
-137.6470588 + -5.294117647x + 137.6470588 + x2 = 0 + 137.6470588

Reorder the terms:
-137.6470588 + 137.6470588 + -5.294117647x + x2 = 0 + 137.6470588

Combine like terms: -137.6470588 + 137.6470588 = 0.0000000
0.0000000 + -5.294117647x + x2 = 0 + 137.6470588
-5.294117647x + x2 = 0 + 137.6470588

Combine like terms: 0 + 137.6470588 = 137.6470588
-5.294117647x + x2 = 137.6470588

The x term is -5.294117647x.  Take half its coefficient (-2.647058824).
Square it (7.006920418) and add it to both sides.

Add '7.006920418' to each side of the equation.
-5.294117647x + 7.006920418 + x2 = 137.6470588 + 7.006920418

Reorder the terms:
7.006920418 + -5.294117647x + x2 = 137.6470588 + 7.006920418

Combine like terms: 137.6470588 + 7.006920418 = 144.653979218
7.006920418 + -5.294117647x + x2 = 144.653979218

Factor a perfect square on the left side:
(x + -2.647058824)(x + -2.647058824) = 144.653979218

Calculate the square root of the right side: 12.027218266

Break this problem into two subproblems by setting 
(x + -2.647058824) equal to 12.027218266 and -12.027218266.

Subproblem 1

x + -2.647058824 = 12.027218266 Simplifying x + -2.647058824 = 12.027218266 Reorder the terms: -2.647058824 + x = 12.027218266 Solving -2.647058824 + x = 12.027218266 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.647058824' to each side of the equation. -2.647058824 + 2.647058824 + x = 12.027218266 + 2.647058824 Combine like terms: -2.647058824 + 2.647058824 = 0.000000000 0.000000000 + x = 12.027218266 + 2.647058824 x = 12.027218266 + 2.647058824 Combine like terms: 12.027218266 + 2.647058824 = 14.67427709 x = 14.67427709 Simplifying x = 14.67427709

Subproblem 2

x + -2.647058824 = -12.027218266 Simplifying x + -2.647058824 = -12.027218266 Reorder the terms: -2.647058824 + x = -12.027218266 Solving -2.647058824 + x = -12.027218266 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.647058824' to each side of the equation. -2.647058824 + 2.647058824 + x = -12.027218266 + 2.647058824 Combine like terms: -2.647058824 + 2.647058824 = 0.000000000 0.000000000 + x = -12.027218266 + 2.647058824 x = -12.027218266 + 2.647058824 Combine like terms: -12.027218266 + 2.647058824 = -9.380159442 x = -9.380159442 Simplifying x = -9.380159442

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.67427709, -9.380159442}

See similar equations:

| -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 | | 3x+5=171+2x | | 1/4-3=9 |

Equations solver categories