x^2+14x-67=0

Simple and best practice solution for x^2+14x-67=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-67=0 equation:


Simplifying
x2 + 14x + -67 = 0

Reorder the terms:
-67 + 14x + x2 = 0

Solving
-67 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '67' to each side of the equation.
-67 + 14x + 67 + x2 = 0 + 67

Reorder the terms:
-67 + 67 + 14x + x2 = 0 + 67

Combine like terms: -67 + 67 = 0
0 + 14x + x2 = 0 + 67
14x + x2 = 0 + 67

Combine like terms: 0 + 67 = 67
14x + x2 = 67

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 = 67 + 49

Reorder the terms:
49 + 14x + x2 = 67 + 49

Combine like terms: 67 + 49 = 116
49 + 14x + x2 = 116

Factor a perfect square on the left side:
(x + 7)(x + 7) = 116

Calculate the square root of the right side: 10.770329614

Break this problem into two subproblems by setting 
(x + 7) equal to 10.770329614 and -10.770329614.

Subproblem 1

x + 7 = 10.770329614 Simplifying x + 7 = 10.770329614 Reorder the terms: 7 + x = 10.770329614 Solving 7 + x = 10.770329614 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 = 10.770329614 + -7 Combine like terms: 7 + -7 = 0 0 + x = 10.770329614 + -7 x = 10.770329614 + -7 Combine like terms: 10.770329614 + -7 = 3.770329614 x = 3.770329614 Simplifying x = 3.770329614

Subproblem 2

x + 7 = -10.770329614 Simplifying x + 7 = -10.770329614 Reorder the terms: 7 + x = -10.770329614 Solving 7 + x = -10.770329614 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 = -10.770329614 + -7 Combine like terms: 7 + -7 = 0 0 + x = -10.770329614 + -7 x = -10.770329614 + -7 Combine like terms: -10.770329614 + -7 = -17.770329614 x = -17.770329614 Simplifying x = -17.770329614

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.770329614, -17.770329614}

See similar equations:

| -16=-n-8-3n | | (4m+9)-3(x-2)=0 | | -63+9x-4x=72 | | f(5)=-5x-1 | | 2x^2-6x+3y^2+12y-6=0 | | 3(x^2-2x+1)=0 | | 18+x=14 | | 21/5-8=5.4 | | -21c=21 | | 6(u+1)=-4(4u-5)+4u | | 3a+2b=12 | | u-(-96)=2 | | -10x-73+4x=119 | | x^2+16x-48=0 | | x+(-8)=-15 | | -132-1x-7x=68 | | 7x-2(3x+1)-9= | | 4x+21=x | | 5x=26-3 | | 6a+8+6a=-16 | | -5x-4x-89=100 | | 55+h=-7 | | -2(6v-3)+6v=2+5(2v-2) | | -4w=-80 | | 2a-6a=10 | | 4x+8=10+32 | | -8c=20 | | -79+12x-3x=119 | | y-(-6)=-6 | | 12k+7=32 | | 15x-3x-142=98 | | 12(x+3)=-4(x-5) |

Equations solver categories