n^2+8n-34=2

Simple and best practice solution for n^2+8n-34=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 n^2+8n-34=2 equation:


Simplifying
n2 + 8n + -34 = 2

Reorder the terms:
-34 + 8n + n2 = 2

Solving
-34 + 8n + n2 = 2

Solving for variable 'n'.

Reorder the terms:
-34 + -2 + 8n + n2 = 2 + -2

Combine like terms: -34 + -2 = -36
-36 + 8n + n2 = 2 + -2

Combine like terms: 2 + -2 = 0
-36 + 8n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + 8n + 36 + n2 = 0 + 36

Reorder the terms:
-36 + 36 + 8n + n2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 8n + n2 = 0 + 36
8n + n2 = 0 + 36

Combine like terms: 0 + 36 = 36
8n + n2 = 36

The n term is 8n.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8n + 16 + n2 = 36 + 16

Reorder the terms:
16 + 8n + n2 = 36 + 16

Combine like terms: 36 + 16 = 52
16 + 8n + n2 = 52

Factor a perfect square on the left side:
(n + 4)(n + 4) = 52

Calculate the square root of the right side: 7.211102551

Break this problem into two subproblems by setting 
(n + 4) equal to 7.211102551 and -7.211102551.

Subproblem 1

n + 4 = 7.211102551 Simplifying n + 4 = 7.211102551 Reorder the terms: 4 + n = 7.211102551 Solving 4 + n = 7.211102551 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + n = 7.211102551 + -4 Combine like terms: 4 + -4 = 0 0 + n = 7.211102551 + -4 n = 7.211102551 + -4 Combine like terms: 7.211102551 + -4 = 3.211102551 n = 3.211102551 Simplifying n = 3.211102551

Subproblem 2

n + 4 = -7.211102551 Simplifying n + 4 = -7.211102551 Reorder the terms: 4 + n = -7.211102551 Solving 4 + n = -7.211102551 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + n = -7.211102551 + -4 Combine like terms: 4 + -4 = 0 0 + n = -7.211102551 + -4 n = -7.211102551 + -4 Combine like terms: -7.211102551 + -4 = -11.211102551 n = -11.211102551 Simplifying n = -11.211102551

Solution

The solution to the problem is based on the solutions from the subproblems. n = {3.211102551, -11.211102551}

See similar equations:

| -0.5b+2b=0.75 | | 3-5s=0 | | a-4+6=8 | | 2x-27+x=3 | | 3+-6=x | | 21=3r-6r | | 808.236=189.97+34.54h | | 3+4m=14-2m | | 6(3s+3)=36 | | -k+7k=6 | | 1127.6368=281.9092+42.076h | | 5+3(4x-3)=A+b | | 12y+6y=144 | | -14=m-32 | | 330=-15y | | 188.9024=64.3072+20.096h | | f(1)=0 | | clari*ce=56 | | y-3=-1/3(x-9) | | 6/x=20/3 | | 5s-2=3 | | 35-2x=11-2x | | 6x+7=-65-6 | | 0=(2x(lnx))+x | | 5x=-2x^2 | | 1270.444=6.28r^2+137.532 | | 6w+2=14 | | 8+2k=4k+4 | | 9+6x=-11+6 | | 1270.444=6.28r^2+109.272r | | 3y+2y+30=90 | | 2x+34+6x=50 |

Equations solver categories