n^2+2n-25.021=0

Simple and best practice solution for n^2+2n-25.021=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+2n-25.021=0 equation:


Simplifying
n2 + 2n + -25.021 = 0

Reorder the terms:
-25.021 + 2n + n2 = 0

Solving
-25.021 + 2n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '25.021' to each side of the equation.
-25.021 + 2n + 25.021 + n2 = 0 + 25.021

Reorder the terms:
-25.021 + 25.021 + 2n + n2 = 0 + 25.021

Combine like terms: -25.021 + 25.021 = 0.000
0.000 + 2n + n2 = 0 + 25.021
2n + n2 = 0 + 25.021

Combine like terms: 0 + 25.021 = 25.021
2n + n2 = 25.021

The n term is 2n.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2n + 1 + n2 = 25.021 + 1

Reorder the terms:
1 + 2n + n2 = 25.021 + 1

Combine like terms: 25.021 + 1 = 26.021
1 + 2n + n2 = 26.021

Factor a perfect square on the left side:
(n + 1)(n + 1) = 26.021

Calculate the square root of the right side: 5.101078317

Break this problem into two subproblems by setting 
(n + 1) equal to 5.101078317 and -5.101078317.

Subproblem 1

n + 1 = 5.101078317 Simplifying n + 1 = 5.101078317 Reorder the terms: 1 + n = 5.101078317 Solving 1 + n = 5.101078317 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + n = 5.101078317 + -1 Combine like terms: 1 + -1 = 0 0 + n = 5.101078317 + -1 n = 5.101078317 + -1 Combine like terms: 5.101078317 + -1 = 4.101078317 n = 4.101078317 Simplifying n = 4.101078317

Subproblem 2

n + 1 = -5.101078317 Simplifying n + 1 = -5.101078317 Reorder the terms: 1 + n = -5.101078317 Solving 1 + n = -5.101078317 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + n = -5.101078317 + -1 Combine like terms: 1 + -1 = 0 0 + n = -5.101078317 + -1 n = -5.101078317 + -1 Combine like terms: -5.101078317 + -1 = -6.101078317 n = -6.101078317 Simplifying n = -6.101078317

Solution

The solution to the problem is based on the solutions from the subproblems. n = {4.101078317, -6.101078317}

See similar equations:

| V=4/3*3.14*4.2^3 | | 35m^2+64m+21=0 | | 3t=40+5t | | 2x+4x-6=90 | | 42uv+12vw-54uw= | | 1628.6845=4/3*3.14*r^3 | | V=4/3*3.14*11.9^3 | | -5ln(6x+13)+29=4 | | 3(1-2x)=7 | | 12x=10x+40 | | Y^2+256=0 | | 22437.9167=4/3*3.14*r^3 | | 3(1-2x)-4=5-6(x+1) | | -4(8+3n)+2= | | 5x+7+2x+3=180 | | -2+t=49 | | 3x/7=9/5 | | 5(w+12)=5w+60 | | V=4/3*3.14*6.4^3 | | h(x)+6=3x | | 1/45=2/5t | | (3x+4y)*(3x+4y)= | | 05+10=06(x+50) | | 4y+22=8y+14 | | 816.8689=4/3*3.14*r^3 | | 20+4x+10=90 | | 15=10+.4(x-10) | | -2(8x+2)=-16x+20 | | -8x+4=5x-11 | | 7-5a=-3 | | 13=10+.2(x-10) | | 2y^2+12y-12=0 |

Equations solver categories