x^2=6x+4

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


Simplifying
x2 = 6x + 4

Reorder the terms:
x2 = 4 + 6x

Solving
x2 = 4 + 6x

Solving for variable 'x'.

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -6x + 4 + x2 = 0 + 4

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

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

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

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 4 + 9

Reorder the terms:
9 + -6x + x2 = 4 + 9

Combine like terms: 4 + 9 = 13
9 + -6x + x2 = 13

Factor a perfect square on the left side:
(x + -3)(x + -3) = 13

Calculate the square root of the right side: 3.605551275

Break this problem into two subproblems by setting 
(x + -3) equal to 3.605551275 and -3.605551275.

Subproblem 1

x + -3 = 3.605551275 Simplifying x + -3 = 3.605551275 Reorder the terms: -3 + x = 3.605551275 Solving -3 + x = 3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.605551275 + 3 x = 3.605551275 + 3 Combine like terms: 3.605551275 + 3 = 6.605551275 x = 6.605551275 Simplifying x = 6.605551275

Subproblem 2

x + -3 = -3.605551275 Simplifying x + -3 = -3.605551275 Reorder the terms: -3 + x = -3.605551275 Solving -3 + x = -3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.605551275 + 3 x = -3.605551275 + 3 Combine like terms: -3.605551275 + 3 = -0.605551275 x = -0.605551275 Simplifying x = -0.605551275

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.605551275, -0.605551275}

See similar equations:

| 3.67+3= | | -4x^2+24x=0 | | (X-3)+x+((x-3)*3)=38 | | 9b-2=-38 | | 15n-4=41 | | 7n+2=9 | | -(1/3)-(2/3)=x | | -3v-3x=15 | | -3v+3x=12 | | 1m+5=25+4 | | -5a+c=-30 | | 101-6x=12x+19 | | ln(8x+5)=ln(5x-1) | | -2/3*i=-3 | | 2y-6z=-12 | | 16x=9x-5 | | 8h^4-26h^2+15=0 | | 4y/3=34 | | -2/3i=-3 | | 6a-2v=18 | | (7/8)*2+5y | | ln(4x-10)=ln(2x+4) | | (7/8)2+5y | | 2x^2-41x=-7x^2-6x-24 | | 6x/(x^2+3)^2=0 | | (7/8)0+5y | | 3xy^3= | | 21/15=3k-2/5 | | 4x+1=84 | | 6x^2+4x-14=35-31x | | 6y^3-4y^2-16y=0 | | x-2/6=-5 |

Equations solver categories