n^2+2n-10.3=0

Simple and best practice solution for n^2+2n-10.3=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-10.3=0 equation:


Simplifying
n2 + 2n + -10.3 = 0

Reorder the terms:
-10.3 + 2n + n2 = 0

Solving
-10.3 + 2n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '10.3' to each side of the equation.
-10.3 + 2n + 10.3 + n2 = 0 + 10.3

Reorder the terms:
-10.3 + 10.3 + 2n + n2 = 0 + 10.3

Combine like terms: -10.3 + 10.3 = 0.0
0.0 + 2n + n2 = 0 + 10.3
2n + n2 = 0 + 10.3

Combine like terms: 0 + 10.3 = 10.3
2n + n2 = 10.3

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 = 10.3 + 1

Reorder the terms:
1 + 2n + n2 = 10.3 + 1

Combine like terms: 10.3 + 1 = 11.3
1 + 2n + n2 = 11.3

Factor a perfect square on the left side:
(n + 1)(n + 1) = 11.3

Calculate the square root of the right side: 3.361547263

Break this problem into two subproblems by setting 
(n + 1) equal to 3.361547263 and -3.361547263.

Subproblem 1

n + 1 = 3.361547263 Simplifying n + 1 = 3.361547263 Reorder the terms: 1 + n = 3.361547263 Solving 1 + n = 3.361547263 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 = 3.361547263 + -1 Combine like terms: 1 + -1 = 0 0 + n = 3.361547263 + -1 n = 3.361547263 + -1 Combine like terms: 3.361547263 + -1 = 2.361547263 n = 2.361547263 Simplifying n = 2.361547263

Subproblem 2

n + 1 = -3.361547263 Simplifying n + 1 = -3.361547263 Reorder the terms: 1 + n = -3.361547263 Solving 1 + n = -3.361547263 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 = -3.361547263 + -1 Combine like terms: 1 + -1 = 0 0 + n = -3.361547263 + -1 n = -3.361547263 + -1 Combine like terms: -3.361547263 + -1 = -4.361547263 n = -4.361547263 Simplifying n = -4.361547263

Solution

The solution to the problem is based on the solutions from the subproblems. n = {2.361547263, -4.361547263}

See similar equations:

| 5000*5000*5000*5000=A | | 5000*5000*5000*5000= | | 2*8=2x+5 | | -(m-6)-4(m+1)+3=0 | | 2y=3*5+-6 | | 6(r-5)-3r-(4-r)=0 | | x+100*45/3=0 | | x+100*453=0 | | 11=9y-(5y+1) | | x^2+3b+5=0 | | 14+2x-7+y=8 | | 2x^2-5*c=0 | | 4t-12=2t+7 | | (3x-6)(8-2x)=0 | | 11x-10+9x+2=180 | | 85-17+y=4x+100 | | x+20=4x+41 | | 4x+41=x+20 | | (2)-3x+15=x-1 | | (4q-2)(4q-2)-4(q^3)(4q)= | | n+7=3(n-1)+2 | | 2x-3a=5 | | 2(5+3y)=4 | | 5(x+b)=c | | 2x^2+8x-44= | | 2*x+6=4+4*x | | 4-t=t | | 5+12x= | | 4*p/7-9=-17 | | p(t)=1/t | | 6(y-7)-4=-28 | | 10-6x=15-11x |

Equations solver categories