x^2-14x=-19

Simple and best practice solution for x^2-14x=-19 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=-19 equation:


Simplifying
x2 + -14x = -19

Reorder the terms:
-14x + x2 = -19

Solving
-14x + x2 = -19

Solving for variable 'x'.

Reorder the terms:
19 + -14x + x2 = -19 + 19

Combine like terms: -19 + 19 = 0
19 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -14x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + -14x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -14x + x2 = 0 + -19
-14x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-14x + x2 = -19

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 = -19 + 49

Reorder the terms:
49 + -14x + x2 = -19 + 49

Combine like terms: -19 + 49 = 30
49 + -14x + x2 = 30

Factor a perfect square on the left side:
(x + -7)(x + -7) = 30

Calculate the square root of the right side: 5.477225575

Break this problem into two subproblems by setting 
(x + -7) equal to 5.477225575 and -5.477225575.

Subproblem 1

x + -7 = 5.477225575 Simplifying x + -7 = 5.477225575 Reorder the terms: -7 + x = 5.477225575 Solving -7 + x = 5.477225575 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 = 5.477225575 + 7 Combine like terms: -7 + 7 = 0 0 + x = 5.477225575 + 7 x = 5.477225575 + 7 Combine like terms: 5.477225575 + 7 = 12.477225575 x = 12.477225575 Simplifying x = 12.477225575

Subproblem 2

x + -7 = -5.477225575 Simplifying x + -7 = -5.477225575 Reorder the terms: -7 + x = -5.477225575 Solving -7 + x = -5.477225575 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 = -5.477225575 + 7 Combine like terms: -7 + 7 = 0 0 + x = -5.477225575 + 7 x = -5.477225575 + 7 Combine like terms: -5.477225575 + 7 = 1.522774425 x = 1.522774425 Simplifying x = 1.522774425

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.477225575, 1.522774425}

See similar equations:

| -10M+2.2=-17.8 | | 7x-2(x-6)=-18 | | 2.5/5+10-2= | | 5x+7=x+8 | | 6-257x=8328 | | -2.7*0-1.9y=8.4 | | 7p-8=62 | | 6ln(3x+6)+5=29 | | x^2-13=10x | | 9659-(257*6)=8328 | | 5x-13=7x+12 | | 5/24*3/10 | | 2(x-8)=-8 | | 7x+5y=16 | | (5v+8)(6+v)=0 | | (6x^2-3x+2)+(3x^2+x-5)=0 | | -3x-10x+14=12 | | 6*1/2(-1*2) | | 4(2)-8= | | 7x+5y=10 | | 4(1)-8= | | x+6=5x-4 | | log[3](x+15)-log[3](x-11)=3 | | 3y-5=6x | | 5.5z-3+12z-2=17z-2 | | 0=m+1 | | 18=-3(-7-2a) | | 4x-(3x+5)=-3 | | 6n-3-4n=3n+7+5n | | 6st^2+st-5t^2=0 | | 4(0)-8= | | 4(-1)-8= |

Equations solver categories