(9n-1)(9n-8)=0

Simple and best practice solution for (9n-1)(9n-8)=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 (9n-1)(9n-8)=0 equation:


Simplifying
(9n + -1)(9n + -8) = 0

Reorder the terms:
(-1 + 9n)(9n + -8) = 0

Reorder the terms:
(-1 + 9n)(-8 + 9n) = 0

Multiply (-1 + 9n) * (-8 + 9n)
(-1(-8 + 9n) + 9n * (-8 + 9n)) = 0
((-8 * -1 + 9n * -1) + 9n * (-8 + 9n)) = 0
((8 + -9n) + 9n * (-8 + 9n)) = 0
(8 + -9n + (-8 * 9n + 9n * 9n)) = 0
(8 + -9n + (-72n + 81n2)) = 0

Combine like terms: -9n + -72n = -81n
(8 + -81n + 81n2) = 0

Solving
8 + -81n + 81n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(1 + -9n)(8 + -9n) = 0

Subproblem 1

Set the factor '(1 + -9n)' equal to zero and attempt to solve: Simplifying 1 + -9n = 0 Solving 1 + -9n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -9n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9n = 0 + -1 -9n = 0 + -1 Combine like terms: 0 + -1 = -1 -9n = -1 Divide each side by '-9'. n = 0.1111111111 Simplifying n = 0.1111111111

Subproblem 2

Set the factor '(8 + -9n)' equal to zero and attempt to solve: Simplifying 8 + -9n = 0 Solving 8 + -9n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -9n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -9n = 0 + -8 -9n = 0 + -8 Combine like terms: 0 + -8 = -8 -9n = -8 Divide each side by '-9'. n = 0.8888888889 Simplifying n = 0.8888888889

Solution

n = {0.1111111111, 0.8888888889}

See similar equations:

| -4x+4=6-6x | | 0.333*21= | | 3+5x=18+x | | 64=8(-10+n) | | 90+4x-11=6x+1 | | 3/12=-24/s | | 6r^2+6r+9=0 | | 5x+2(3-x)+1=10 | | (x-3)/-2=4 | | 8f+2=3(f+4) | | sqrt(20x^3)*sqrt(18xy^4)= | | 2+3x+15=180 | | 3(8x-6)=-18-x | | 17x-y+2x+4y+90=180 | | 845=x-(5*5) | | (2y-7)+(3y+5)=153 | | -2(1-8n)+n=5n+22 | | x+2(x+5)=-17 | | 14b/=56 | | 1.73x-5=.33x | | 1.2=3/5(b-4) | | -3r+16=r+4(6r-3) | | 2x+3+84=180 | | 1.6x+6=-16 | | 3(x-5)+11=5 | | 5x+2+3x+28=90 | | (2.5*x)*x*6=2160 | | 16x(x+1)=21 | | 150-250=i | | -4-6k=2+4(6+6k) | | t=125.34+0.13M | | 5-2(3x-7)=25 |

Equations solver categories