x=-6x-1+4x^2

Simple and best practice solution for x=-6x-1+4x^2 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=-6x-1+4x^2 equation:


Simplifying
x = -6x + -1 + 4x2

Reorder the terms:
x = -1 + -6x + 4x2

Solving
x = -1 + -6x + 4x2

Solving for variable 'x'.

Reorder the terms:
1 + x + 6x + -4x2 = -1 + -6x + 4x2 + 1 + 6x + -4x2

Combine like terms: x + 6x = 7x
1 + 7x + -4x2 = -1 + -6x + 4x2 + 1 + 6x + -4x2

Reorder the terms:
1 + 7x + -4x2 = -1 + 1 + -6x + 6x + 4x2 + -4x2

Combine like terms: -1 + 1 = 0
1 + 7x + -4x2 = 0 + -6x + 6x + 4x2 + -4x2
1 + 7x + -4x2 = -6x + 6x + 4x2 + -4x2

Combine like terms: -6x + 6x = 0
1 + 7x + -4x2 = 0 + 4x2 + -4x2
1 + 7x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
1 + 7x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
-0.25 + -1.75x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -1.75x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -1.75x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -1.75x + x2 = 0 + 0.25
-1.75x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-1.75x + x2 = 0.25

The x term is -1.75x.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75x + 0.765625 + x2 = 0.25 + 0.765625

Reorder the terms:
0.765625 + -1.75x + x2 = 0.25 + 0.765625

Combine like terms: 0.25 + 0.765625 = 1.015625
0.765625 + -1.75x + x2 = 1.015625

Factor a perfect square on the left side:
(x + -0.875)(x + -0.875) = 1.015625

Calculate the square root of the right side: 1.007782219

Break this problem into two subproblems by setting 
(x + -0.875) equal to 1.007782219 and -1.007782219.

Subproblem 1

x + -0.875 = 1.007782219 Simplifying x + -0.875 = 1.007782219 Reorder the terms: -0.875 + x = 1.007782219 Solving -0.875 + x = 1.007782219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.875' to each side of the equation. -0.875 + 0.875 + x = 1.007782219 + 0.875 Combine like terms: -0.875 + 0.875 = 0.000 0.000 + x = 1.007782219 + 0.875 x = 1.007782219 + 0.875 Combine like terms: 1.007782219 + 0.875 = 1.882782219 x = 1.882782219 Simplifying x = 1.882782219

Subproblem 2

x + -0.875 = -1.007782219 Simplifying x + -0.875 = -1.007782219 Reorder the terms: -0.875 + x = -1.007782219 Solving -0.875 + x = -1.007782219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.875' to each side of the equation. -0.875 + 0.875 + x = -1.007782219 + 0.875 Combine like terms: -0.875 + 0.875 = 0.000 0.000 + x = -1.007782219 + 0.875 x = -1.007782219 + 0.875 Combine like terms: -1.007782219 + 0.875 = -0.132782219 x = -0.132782219 Simplifying x = -0.132782219

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.882782219, -0.132782219}

See similar equations:

| 16+24x=10+17x | | 2x+365=3 | | X+x+x+1=1.1 | | 8x+100=20 | | -30x^2+120x+480=0 | | 4x+2x-12=36 | | 37.7=2*3.14r | | 4(x+2)=12-7(x+3) | | -5(m+7)=-(1-4m)-7m | | =-2x+5 | | (35x-35)/(25x-40) | | -6*x=30 | | 4sin(x/2) | | -6+x=30 | | 4x-8=-2(5x-13) | | 115+0.35p=65 | | 7(8c-1)-10=54+7 | | 5x^3+8x^2+7=0 | | 115=0.35+65 | | 1/3x9x5 | | 0.35p+65=115 | | 2.67p+3(.67p-8)=-10 | | 65+0.35p=115 | | 2.5x+58.9=0.9-9.1x | | 4e^13x=16 | | x^2-16+51=0 | | 3(2t+-5)+2t=30-t | | -1c=-7 | | 15=8x+13 | | 18x+21=21 | | 2x-19+19=85+19 | | 0.7(3x+6)=1-(x+3) |

Equations solver categories