x^2-14x+16=0

Simple and best practice solution for x^2-14x+16=0 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^2-14x+16=0 equation:


Simplifying
x2 + -14x + 16 = 0

Reorder the terms:
16 + -14x + x2 = 0

Solving
16 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + -14x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + -14x + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -14x + x2 = 0 + -16
-14x + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
-14x + x2 = -16

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -16 + 49

Reorder the terms:
49 + -14x + x2 = -16 + 49

Combine like terms: -16 + 49 = 33
49 + -14x + x2 = 33

Factor a perfect square on the left side:
(x + -7)(x + -7) = 33

Calculate the square root of the right side: 5.744562647

Break this problem into two subproblems by setting 
(x + -7) equal to 5.744562647 and -5.744562647.

Subproblem 1

x + -7 = 5.744562647 Simplifying x + -7 = 5.744562647 Reorder the terms: -7 + x = 5.744562647 Solving -7 + x = 5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 5.744562647 + 7 Combine like terms: -7 + 7 = 0 0 + x = 5.744562647 + 7 x = 5.744562647 + 7 Combine like terms: 5.744562647 + 7 = 12.744562647 x = 12.744562647 Simplifying x = 12.744562647

Subproblem 2

x + -7 = -5.744562647 Simplifying x + -7 = -5.744562647 Reorder the terms: -7 + x = -5.744562647 Solving -7 + x = -5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -5.744562647 + 7 Combine like terms: -7 + 7 = 0 0 + x = -5.744562647 + 7 x = -5.744562647 + 7 Combine like terms: -5.744562647 + 7 = 1.255437353 x = 1.255437353 Simplifying x = 1.255437353

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.744562647, 1.255437353}

See similar equations:

| 5x+3=53 | | 0,1x+0.2=-0,3 | | 14+35=x^2 | | 123-3x=5x+19 | | 58-4x=5x+24 | | 35n(n+5)=0 | | (n-4)*5=10 | | 3x+9=111 | | 14+12=x^2 | | (2a)(b)= | | 5x+33=68 | | 14+12= | | 36x^2-36x+9=0 | | 56r^2-19r-15=0 | | 6x+10=82-3 | | 56r^2-19r=15 | | +1x-9x=3+7+10 | | 32-6x=3x+18 | | 16=2x+5 | | 12=2*12-1 | | 4x+3(5x-7x)=12 | | 14-7x=65-28x | | 287=7K | | 2+2=3r | | 3x+10=8x+20 | | 7(x-6)=0 | | 4x+19=14x-61 | | 3y-2y-y=-18+18 | | 10-4x=28+x | | 2x+23=9x-61 | | 2x+11=-34-7x | | 5+12x=71+x |

Equations solver categories