x^2+3-6-4x=

Simple and best practice solution for x^2+3-6-4x= 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^2+3-6-4x= equation:


Simplifying
x2 + 3 + -6 + -4x = 0

Reorder the terms:
3 + -6 + -4x + x2 = 0

Combine like terms: 3 + -6 = -3
-3 + -4x + x2 = 0

Solving
-3 + -4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -4x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -4x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4x + x2 = 0 + 3
-4x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-4x + x2 = 3

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 3 + 4

Reorder the terms:
4 + -4x + x2 = 3 + 4

Combine like terms: 3 + 4 = 7
4 + -4x + x2 = 7

Factor a perfect square on the left side:
(x + -2)(x + -2) = 7

Calculate the square root of the right side: 2.645751311

Break this problem into two subproblems by setting 
(x + -2) equal to 2.645751311 and -2.645751311.

Subproblem 1

x + -2 = 2.645751311 Simplifying x + -2 = 2.645751311 Reorder the terms: -2 + x = 2.645751311 Solving -2 + x = 2.645751311 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.645751311 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.645751311 + 2 x = 2.645751311 + 2 Combine like terms: 2.645751311 + 2 = 4.645751311 x = 4.645751311 Simplifying x = 4.645751311

Subproblem 2

x + -2 = -2.645751311 Simplifying x + -2 = -2.645751311 Reorder the terms: -2 + x = -2.645751311 Solving -2 + x = -2.645751311 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.645751311 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.645751311 + 2 x = -2.645751311 + 2 Combine like terms: -2.645751311 + 2 = -0.645751311 x = -0.645751311 Simplifying x = -0.645751311

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.645751311, -0.645751311}

See similar equations:

| x*lnx+(x-1)*ln(x-1)=0 | | .85=?/20 | | 6c+10=-5+9c | | 2x^2-6x+8=x^2+3x | | 11x^2+5x-7+6y= | | 7x=-7y+14 | | 3x-20=30x | | 20CD= | | 3(15-n)=36 | | 16+w=22 | | -6k-5=-4K+7 | | 5(5-m)=3(m+1) | | 4.9t^2+19.6t-14.7=0 | | -6d=6-5d | | 3x+30=y+10 | | -4x^2=8x+5 | | 46+f=81 | | 4x/5=9 | | .35x-.45(x-2)=4.4 | | z+8.009=10 | | 6-9h=-8h | | 33+d=67 | | -6x+10=0 | | 5y+3x=2y-3x+5 | | -14=-3x+2-5x | | F/8=12 | | 14.4+q=15.4 | | C+2.36=6.08 | | 6x+27=48+10x | | 12=2b+7 | | 11+k=19 | | M-17=48 |

Equations solver categories