x^2-14x-38=0

Simple and best practice solution for x^2-14x-38=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-38=0 equation:


Simplifying
x2 + -14x + -38 = 0

Reorder the terms:
-38 + -14x + x2 = 0

Solving
-38 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '38' to each side of the equation.
-38 + -14x + 38 + x2 = 0 + 38

Reorder the terms:
-38 + 38 + -14x + x2 = 0 + 38

Combine like terms: -38 + 38 = 0
0 + -14x + x2 = 0 + 38
-14x + x2 = 0 + 38

Combine like terms: 0 + 38 = 38
-14x + x2 = 38

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 = 38 + 49

Reorder the terms:
49 + -14x + x2 = 38 + 49

Combine like terms: 38 + 49 = 87
49 + -14x + x2 = 87

Factor a perfect square on the left side:
(x + -7)(x + -7) = 87

Calculate the square root of the right side: 9.327379053

Break this problem into two subproblems by setting 
(x + -7) equal to 9.327379053 and -9.327379053.

Subproblem 1

x + -7 = 9.327379053 Simplifying x + -7 = 9.327379053 Reorder the terms: -7 + x = 9.327379053 Solving -7 + x = 9.327379053 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 = 9.327379053 + 7 Combine like terms: -7 + 7 = 0 0 + x = 9.327379053 + 7 x = 9.327379053 + 7 Combine like terms: 9.327379053 + 7 = 16.327379053 x = 16.327379053 Simplifying x = 16.327379053

Subproblem 2

x + -7 = -9.327379053 Simplifying x + -7 = -9.327379053 Reorder the terms: -7 + x = -9.327379053 Solving -7 + x = -9.327379053 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 = -9.327379053 + 7 Combine like terms: -7 + 7 = 0 0 + x = -9.327379053 + 7 x = -9.327379053 + 7 Combine like terms: -9.327379053 + 7 = -2.327379053 x = -2.327379053 Simplifying x = -2.327379053

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.327379053, -2.327379053}

See similar equations:

| 40-5y+5=-2y-10-4y | | 2x^2+3x-37=9 | | 2x^2+3x-7=9 | | 12n^2-11n+2=0 | | 2x-3(8-9x)= | | 666+250t=33 | | 12+4y=-32 | | x^3+x^2+x+1=0 | | 2x+7=31 | | 12a+3=5 | | 16r^2+18r+5=0 | | a+4a+(5a-7)=180 | | (w+6)w=160 | | 8.53x+1=72.7609+6 | | x^5-x^3=0 | | -2.2=7.8-2y | | 3x^2-x=10 | | 5x+14-2x=23 | | b*2+10b+16=0 | | 95x+452=32 | | x^2+x+.25=30.25 | | 2a+11=a+5(3) | | 6x-3+x=4 | | 9h^2=49 | | 2p^2-50=0 | | 0.12(y-6)+0.06y=0.08y-0.7 | | 11x^2-13x=0 | | (x-3)(3x+4)=0 | | -m^2-10m-16=0 | | -8x^2+20x=0 | | 8=-3x-10 | | 16m+2=26 |

Equations solver categories