x^2-6x+3=16

Simple and best practice solution for x^2-6x+3=16 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+3=16 equation:


Simplifying
x2 + -6x + 3 = 16

Reorder the terms:
3 + -6x + x2 = 16

Solving
3 + -6x + x2 = 16

Solving for variable 'x'.

Reorder the terms:
3 + -16 + -6x + x2 = 16 + -16

Combine like terms: 3 + -16 = -13
-13 + -6x + x2 = 16 + -16

Combine like terms: 16 + -16 = 0
-13 + -6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + -6x + 13 + x2 = 0 + 13

Reorder the terms:
-13 + 13 + -6x + x2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -6x + x2 = 0 + 13
-6x + x2 = 0 + 13

Combine like terms: 0 + 13 = 13
-6x + x2 = 13

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 = 13 + 9

Reorder the terms:
9 + -6x + x2 = 13 + 9

Combine like terms: 13 + 9 = 22
9 + -6x + x2 = 22

Factor a perfect square on the left side:
(x + -3)(x + -3) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(x + -3) equal to 4.69041576 and -4.69041576.

Subproblem 1

x + -3 = 4.69041576 Simplifying x + -3 = 4.69041576 Reorder the terms: -3 + x = 4.69041576 Solving -3 + x = 4.69041576 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 = 4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.69041576 + 3 x = 4.69041576 + 3 Combine like terms: 4.69041576 + 3 = 7.69041576 x = 7.69041576 Simplifying x = 7.69041576

Subproblem 2

x + -3 = -4.69041576 Simplifying x + -3 = -4.69041576 Reorder the terms: -3 + x = -4.69041576 Solving -3 + x = -4.69041576 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 = -4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.69041576 + 3 x = -4.69041576 + 3 Combine like terms: -4.69041576 + 3 = -1.69041576 x = -1.69041576 Simplifying x = -1.69041576

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.69041576, -1.69041576}

See similar equations:

| d=89.5*5 | | h(t)=-4t^2+40t | | 15x^2+45x-150=0 | | 2.5(p-40)-100=675 | | 15x^2+32x-60=0 | | a=12.9*4.7 | | a=5.2*1.3 | | ex=18 | | 24x^2+55x-24=0 | | (X+5)(2x+8)=(x+4)(x-2) | | a=9*4.5 | | 6x+9=3x+15 | | 8x+5-7x=11 | | (4x^2+42x+54)-(4x^2+31x+21)=110 | | 6x+9=3x+25 | | 5x-3-7x=-11 | | 4x=2(4x+12) | | 3a/2-1=5 | | 62/2=14 | | 16x^2+24x-40=0 | | 5/6x+2=7/8 | | 4x^2+42x+54=110 | | p=12.9+4.7 | | 2-13=x/-3 | | p=5.2+1.3 | | p=9+4.5 | | 6x-(1)=x+19 | | 18x^2+51x+8=0 | | 6600/-44 | | -4.5x=1.36 | | 4(2y+3)=16 | | 9h+3h=2h+10 |

Equations solver categories