z^2+14z+14=

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


Simplifying
z2 + 14z + 14 = 0

Reorder the terms:
14 + 14z + z2 = 0

Solving
14 + 14z + z2 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + 14z + -14 + z2 = 0 + -14

Reorder the terms:
14 + -14 + 14z + z2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 14z + z2 = 0 + -14
14z + z2 = 0 + -14

Combine like terms: 0 + -14 = -14
14z + z2 = -14

The z term is 14z.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14z + 49 + z2 = -14 + 49

Reorder the terms:
49 + 14z + z2 = -14 + 49

Combine like terms: -14 + 49 = 35
49 + 14z + z2 = 35

Factor a perfect square on the left side:
(z + 7)(z + 7) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(z + 7) equal to 5.916079783 and -5.916079783.

Subproblem 1

z + 7 = 5.916079783 Simplifying z + 7 = 5.916079783 Reorder the terms: 7 + z = 5.916079783 Solving 7 + z = 5.916079783 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + z = 5.916079783 + -7 Combine like terms: 7 + -7 = 0 0 + z = 5.916079783 + -7 z = 5.916079783 + -7 Combine like terms: 5.916079783 + -7 = -1.083920217 z = -1.083920217 Simplifying z = -1.083920217

Subproblem 2

z + 7 = -5.916079783 Simplifying z + 7 = -5.916079783 Reorder the terms: 7 + z = -5.916079783 Solving 7 + z = -5.916079783 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + z = -5.916079783 + -7 Combine like terms: 7 + -7 = 0 0 + z = -5.916079783 + -7 z = -5.916079783 + -7 Combine like terms: -5.916079783 + -7 = -12.916079783 z = -12.916079783 Simplifying z = -12.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. z = {-1.083920217, -12.916079783}

See similar equations:

| 4t-7t= | | 12,09*1,6= | | 8t+6=5(t+3) | | 24b^3+92b^2+80b= | | X^2+6x-20=7 | | 3x^3+6x^2+5x+10= | | wx+wy=z | | -6x(x-1)+x^2= | | 24aw^4+6aw^3+3aw^2= | | 4a^3-26a^2+42a=0 | | -3-2= | | 268-7x=38x+18 | | -3(x+1)-2= | | 5r^3+r^2-4r= | | 14x-186=6x-10 | | 0.66666x-.625x=26 | | 7-9x=111-37x | | 3x^2-1=28 | | 7.5x+1.5=6 | | 4x-12= | | -24t^4x-4t^3x-20t^2x= | | 45x-5y=4.1 | | x^2+bx+16= | | w^2+13w+13= | | 62-3x=33x+18 | | 120x^3+188x^2+28x= | | 7(t-4)= | | 7y^2-3y-4= | | 3x^2+19x+6= | | 5x=540 | | 2x=x+30 | | 4c^2+9c+2= |

Equations solver categories