N*N-N-90=0

Simple and best practice solution for N*N-N-90=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*N-N-90=0 equation:


Simplifying
N * N + -1N + -90 = 0

Multiply N * N
N2 + -1N + -90 = 0

Reorder the terms:
-90 + -1N + N2 = 0

Solving
-90 + -1N + N2 = 0

Solving for variable 'N'.

Factor a trinomial.
(-9 + -1N)(10 + -1N) = 0

Subproblem 1

Set the factor '(-9 + -1N)' equal to zero and attempt to solve: Simplifying -9 + -1N = 0 Solving -9 + -1N = 0 Move all terms containing N to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1N = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1N = 0 + 9 -1N = 0 + 9 Combine like terms: 0 + 9 = 9 -1N = 9 Divide each side by '-1'. N = -9 Simplifying N = -9

Subproblem 2

Set the factor '(10 + -1N)' equal to zero and attempt to solve: Simplifying 10 + -1N = 0 Solving 10 + -1N = 0 Move all terms containing N to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1N = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1N = 0 + -10 -1N = 0 + -10 Combine like terms: 0 + -10 = -10 -1N = -10 Divide each side by '-1'. N = 10 Simplifying N = 10

Solution

N = {-9, 10}

See similar equations:

| y=x^3-9x^2-24x-14 | | ((x^3+15x^2+1)y)dx+((3y^4+y^5+5)x)dy=0 | | 3x+9-3y=0 | | 2x+7x=9x | | ln(4x+6)=3 | | 30u^8x^9+18ux^3y^2=0 | | 1*X^2+5=0 | | -5(3t-5)+3t=7t-8 | | n^2+4n+7=7 | | (y-2)= | | x^2-7x+2=-8 | | 4/21=x/168 | | (3k+4)(6k+5)=0 | | (p+5)(p-6)=0 | | (n-7)(n-3)=0 | | (3n+4)(n+8)=0 | | (k+8)(k+4)=0 | | 9/5x8/9 | | n^2-8n+3=3 | | x^2+4x-5=-5 | | p^2+32=12p | | n^2=30-11n | | -x-3(x-2)=-6 | | sin(x)=0.8003737392 | | s^3+6s^2+11s-6=0 | | a^2+24=10a | | 180=.05s^2+1.1s | | -10=-3x-7 | | -3(1)+4y=-3 | | -3x+4(0)=-3 | | 13-4x=5-13 | | cosx=3 |

Equations solver categories