n^2+4n-60=4

Simple and best practice solution for n^2+4n-60=4 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+4n-60=4 equation:


Simplifying
n2 + 4n + -60 = 4

Reorder the terms:
-60 + 4n + n2 = 4

Solving
-60 + 4n + n2 = 4

Solving for variable 'n'.

Reorder the terms:
-60 + -4 + 4n + n2 = 4 + -4

Combine like terms: -60 + -4 = -64
-64 + 4n + n2 = 4 + -4

Combine like terms: 4 + -4 = 0
-64 + 4n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + 4n + 64 + n2 = 0 + 64

Reorder the terms:
-64 + 64 + 4n + n2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 4n + n2 = 0 + 64
4n + n2 = 0 + 64

Combine like terms: 0 + 64 = 64
4n + n2 = 64

The n term is 4n.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4n + 4 + n2 = 64 + 4

Reorder the terms:
4 + 4n + n2 = 64 + 4

Combine like terms: 64 + 4 = 68
4 + 4n + n2 = 68

Factor a perfect square on the left side:
(n + 2)(n + 2) = 68

Calculate the square root of the right side: 8.246211251

Break this problem into two subproblems by setting 
(n + 2) equal to 8.246211251 and -8.246211251.

Subproblem 1

n + 2 = 8.246211251 Simplifying n + 2 = 8.246211251 Reorder the terms: 2 + n = 8.246211251 Solving 2 + n = 8.246211251 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + n = 8.246211251 + -2 Combine like terms: 2 + -2 = 0 0 + n = 8.246211251 + -2 n = 8.246211251 + -2 Combine like terms: 8.246211251 + -2 = 6.246211251 n = 6.246211251 Simplifying n = 6.246211251

Subproblem 2

n + 2 = -8.246211251 Simplifying n + 2 = -8.246211251 Reorder the terms: 2 + n = -8.246211251 Solving 2 + n = -8.246211251 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + n = -8.246211251 + -2 Combine like terms: 2 + -2 = 0 0 + n = -8.246211251 + -2 n = -8.246211251 + -2 Combine like terms: -8.246211251 + -2 = -10.246211251 n = -10.246211251 Simplifying n = -10.246211251

Solution

The solution to the problem is based on the solutions from the subproblems. n = {6.246211251, -10.246211251}

See similar equations:

| n^2+4n-60=40 | | p^2-12p-66=8 | | x-2-3=12 | | r^2-16r=9 | | 2-(3+(4-x)-5)=2(3-x) | | a^2+18a+59=9 | | v^2+8v-16=-7 | | -x+9=12 | | k^2-6k-7=5 | | n^2-4n-39=-7 | | 12-5=3b | | n^2-4n-39=7 | | b^2+20b+55=-9 | | 3p^2-9p=84 | | -63-x=82 | | 8r^2=24-16r | | 12-(x+5)=14-2x | | n^2=10+3n | | 4x^2-8x=60 | | m^2=-7+8m | | x/6+8=11 | | 6x^2+6x=72 | | 8x+9x-2y-15=8x | | 3(3p+1)=2(5p+6) | | 4k^2+48k=-128 | | 3x+8=6x-10 | | 8y-3=57+12 | | 5n+34=-2(17n) | | 4(2x-3)=6x-20 | | -6x-2+7x=8 | | -19=-3x-4x+9 | | 7x^2-800x+10000=0 |

Equations solver categories