n^2+7n-250=0

Simple and best practice solution for n^2+7n-250=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 n^2+7n-250=0 equation:


Simplifying
n2 + 7n + -250 = 0

Reorder the terms:
-250 + 7n + n2 = 0

Solving
-250 + 7n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '250' to each side of the equation.
-250 + 7n + 250 + n2 = 0 + 250

Reorder the terms:
-250 + 250 + 7n + n2 = 0 + 250

Combine like terms: -250 + 250 = 0
0 + 7n + n2 = 0 + 250
7n + n2 = 0 + 250

Combine like terms: 0 + 250 = 250
7n + n2 = 250

The n term is 7n.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7n + 12.25 + n2 = 250 + 12.25

Reorder the terms:
12.25 + 7n + n2 = 250 + 12.25

Combine like terms: 250 + 12.25 = 262.25
12.25 + 7n + n2 = 262.25

Factor a perfect square on the left side:
(n + 3.5)(n + 3.5) = 262.25

Calculate the square root of the right side: 16.194134741

Break this problem into two subproblems by setting 
(n + 3.5) equal to 16.194134741 and -16.194134741.

Subproblem 1

n + 3.5 = 16.194134741 Simplifying n + 3.5 = 16.194134741 Reorder the terms: 3.5 + n = 16.194134741 Solving 3.5 + n = 16.194134741 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + n = 16.194134741 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + n = 16.194134741 + -3.5 n = 16.194134741 + -3.5 Combine like terms: 16.194134741 + -3.5 = 12.694134741 n = 12.694134741 Simplifying n = 12.694134741

Subproblem 2

n + 3.5 = -16.194134741 Simplifying n + 3.5 = -16.194134741 Reorder the terms: 3.5 + n = -16.194134741 Solving 3.5 + n = -16.194134741 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + n = -16.194134741 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + n = -16.194134741 + -3.5 n = -16.194134741 + -3.5 Combine like terms: -16.194134741 + -3.5 = -19.694134741 n = -19.694134741 Simplifying n = -19.694134741

Solution

The solution to the problem is based on the solutions from the subproblems. n = {12.694134741, -19.694134741}

See similar equations:

| 5+4K=10-k | | (7x+4)=(8y+12) | | (9x-7)(4x+2)=(6x-3)(6x+5) | | 30-2n=14 | | y=-3/5x-1 | | 6n-2=106 | | -6(n+4)+25=-2n-7 | | (D^3-2D^2-3D)=0 | | 10+5n=100 | | 7-6x=-8-2x | | 5x-1y=4 | | 1+-7x=-7x-x-7 | | 1-7x=7x-x-7 | | 2.3(x-4)=x-1.4 | | 16a+13b+6c+3c-5b-3a= | | log(2x+4)=1.9 | | (3x+2)=(5x-22) | | 11p+18q+p-5q-5p= | | (4x-10)=(3x+2) | | 6x-16y=24 | | 2-(x-5)=8+x | | 3(x+5)-2x=2(x+2) | | 4x^2+k^2+4xk-2k=2x^2-3k | | -2(x-6)-(x-3)=8-(11-x) | | 7x-7=61+5x | | 5x+5x+4+5x+5=4x+4x+3 | | 100+2x=0 | | cos^2(xy)+sin^2(xy)=1 | | (x+10)(4x-8)= | | f(3)=5x+x^2 | | (x+9)=(2x-8) | | X+4=9(x+3) |

Equations solver categories