(n*n)+-n=90

Simple and best practice solution for (n*n)+-n=90 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 equation:


Simplifying
(n * n) + -1n = 90

Multiply n * n
(n2) + -1n = 90
n2 + -1n = 90

Reorder the terms:
-1n + n2 = 90

Solving
-1n + n2 = 90

Solving for variable 'n'.

Reorder the terms:
-90 + -1n + n2 = 90 + -90

Combine like terms: 90 + -90 = 0
-90 + -1n + n2 = 0

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:

| (n*n)+-n=904 | | (6z+7)(8z+9)=(10z+11)(12z+13) | | X^2-24x-33=0 | | n(n-1)=80 | | 0=2x^2+13x-35 | | 7p+8=14+6p | | n-11=-15 | | (2-x)2=36 | | N*(n+1)=90 | | (w^2/-2v)^2 | | (8+z)(4z+3)=0 | | 6x-24=8x-24-2x | | 2x^5y^7+4x^5y^6= | | a+a/2-10=52 | | =29+2q^2 | | 1+2(3x+4)=x+23 | | 5/6=4/x | | (-5x+3)+2x+4=x+13 | | 8y=8+64 | | -3x-1+4(4x-2)=2x+35 | | 10+b=4-2b | | 6x-24=14+5x-34 | | 8y=0+64 | | 5/2x=1/2 | | 8y=-8+64 | | -2+4(-5x+2)=-5+59 | | 13/15=x/90 | | A=1/2bxh | | 104/190 | | 3/5-1/7 | | 14/17=x/85 | | x^3+36x+12=0 |

Equations solver categories