14x+8=x^2

Simple and best practice solution for 14x+8=x^2 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 14x+8=x^2 equation:


Simplifying
14x + 8 = x2

Reorder the terms:
8 + 14x = x2

Solving
8 + 14x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
8 + 14x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-8 + -14x + x2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -14x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + -14x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -14x + x2 = 0 + 8
-14x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
-14x + x2 = 8

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 = 8 + 49

Reorder the terms:
49 + -14x + x2 = 8 + 49

Combine like terms: 8 + 49 = 57
49 + -14x + x2 = 57

Factor a perfect square on the left side:
(x + -7)(x + -7) = 57

Calculate the square root of the right side: 7.549834435

Break this problem into two subproblems by setting 
(x + -7) equal to 7.549834435 and -7.549834435.

Subproblem 1

x + -7 = 7.549834435 Simplifying x + -7 = 7.549834435 Reorder the terms: -7 + x = 7.549834435 Solving -7 + x = 7.549834435 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 = 7.549834435 + 7 Combine like terms: -7 + 7 = 0 0 + x = 7.549834435 + 7 x = 7.549834435 + 7 Combine like terms: 7.549834435 + 7 = 14.549834435 x = 14.549834435 Simplifying x = 14.549834435

Subproblem 2

x + -7 = -7.549834435 Simplifying x + -7 = -7.549834435 Reorder the terms: -7 + x = -7.549834435 Solving -7 + x = -7.549834435 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 = -7.549834435 + 7 Combine like terms: -7 + 7 = 0 0 + x = -7.549834435 + 7 x = -7.549834435 + 7 Combine like terms: -7.549834435 + 7 = -0.549834435 x = -0.549834435 Simplifying x = -0.549834435

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.549834435, -0.549834435}

See similar equations:

| x+13=x+1 | | -9d-5+8+7d= | | -5x^2=-160 | | f(x)=-12x+8 | | 2(4a-1)=3(a+2) | | 9-13x-5-2x=7 | | 3x^3-25x^2+53x-15=0 | | 279x+1800=3450 | | -138=6(1-6x) | | 11x=2x^2-6 | | N=14+5q | | 6(5x-3)=102 | | 12x+9y=9y | | 3b-8(2b-3)=102 | | 9-c^2= | | 2x^2=756 | | 10x-7=91-4x | | 3x+-1=-32 | | 3(-4-9n)-6n= | | 84=6(2-x)-3x | | -2=-2(n-8) | | 7(-4-5p)-4=-207 | | 5x+4-7x=5+x+13 | | 29+2x=x+25 | | 8-3y=-4 | | 4x^3+x^3+9x^2=0 | | -102=-2(8-7r)-2 | | x-3(8)=-4 | | y=50x+90 | | 2x+27=x+21 | | 4(v+7)=6v+18 | | 31=7+3x |

Equations solver categories