2x^2-14x-49=x^2+2x+1

Simple and best practice solution for 2x^2-14x-49=x^2+2x+1 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 2x^2-14x-49=x^2+2x+1 equation:


Simplifying
2x2 + -14x + -49 = x2 + 2x + 1

Reorder the terms:
-49 + -14x + 2x2 = x2 + 2x + 1

Reorder the terms:
-49 + -14x + 2x2 = 1 + 2x + x2

Solving
-49 + -14x + 2x2 = 1 + 2x + x2

Solving for variable 'x'.

Reorder the terms:
-49 + -1 + -14x + -2x + 2x2 + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Combine like terms: -49 + -1 = -50
-50 + -14x + -2x + 2x2 + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Combine like terms: -14x + -2x = -16x
-50 + -16x + 2x2 + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-50 + -16x + 1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Reorder the terms:
-50 + -16x + 1x2 = 1 + -1 + 2x + -2x + x2 + -1x2

Combine like terms: 1 + -1 = 0
-50 + -16x + 1x2 = 0 + 2x + -2x + x2 + -1x2
-50 + -16x + 1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
-50 + -16x + 1x2 = 0 + x2 + -1x2
-50 + -16x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-50 + -16x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + -16x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + -16x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + -16x + x2 = 0 + 50
-16x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
-16x + x2 = 50

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = 50 + 64

Reorder the terms:
64 + -16x + x2 = 50 + 64

Combine like terms: 50 + 64 = 114
64 + -16x + x2 = 114

Factor a perfect square on the left side:
(x + -8)(x + -8) = 114

Calculate the square root of the right side: 10.677078252

Break this problem into two subproblems by setting 
(x + -8) equal to 10.677078252 and -10.677078252.

Subproblem 1

x + -8 = 10.677078252 Simplifying x + -8 = 10.677078252 Reorder the terms: -8 + x = 10.677078252 Solving -8 + x = 10.677078252 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 10.677078252 + 8 Combine like terms: -8 + 8 = 0 0 + x = 10.677078252 + 8 x = 10.677078252 + 8 Combine like terms: 10.677078252 + 8 = 18.677078252 x = 18.677078252 Simplifying x = 18.677078252

Subproblem 2

x + -8 = -10.677078252 Simplifying x + -8 = -10.677078252 Reorder the terms: -8 + x = -10.677078252 Solving -8 + x = -10.677078252 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -10.677078252 + 8 Combine like terms: -8 + 8 = 0 0 + x = -10.677078252 + 8 x = -10.677078252 + 8 Combine like terms: -10.677078252 + 8 = -2.677078252 x = -2.677078252 Simplifying x = -2.677078252

Solution

The solution to the problem is based on the solutions from the subproblems. x = {18.677078252, -2.677078252}

See similar equations:

| 13+4x=26-9x | | 3m+8=2+9m | | 273-2x=43x+23 | | a+2d=25 | | -39/-3= | | 2x+3x+1=11 | | 4d-7=6d-3 | | 32-7= | | 8-9x=198-44x | | 11-8x=52-15x | | 5+3d=25 | | 2x+12=-33-7x | | 2x+6=10x-42 | | 3d=18-8g | | 8y-2x=-6 | | -16-5x=9-10x | | 5c+2=8c-7 | | 4+3d=25 | | 0=x^2+2x-48 | | 273-9=41x+23 | | 5x^2=-12x-5 | | 3m^2+m-9=0 | | 8-9x=152-37x | | c^4-7c^2+6= | | 9t^7-9t^6-990t^5=0 | | -5y+2y=-2 | | 5c+15=3c+1 | | -28-8x=7x | | (x^2-x+5)(3x^2-4x)= | | c^2-5cg-14g^2=0 | | -5x-7=-9x-15 | | Y=-5x^2+10x+9 |

Equations solver categories