8n^2-9n-6=-7

Simple and best practice solution for 8n^2-9n-6=-7 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 8n^2-9n-6=-7 equation:


Simplifying
8n2 + -9n + -6 = -7

Reorder the terms:
-6 + -9n + 8n2 = -7

Solving
-6 + -9n + 8n2 = -7

Solving for variable 'n'.

Reorder the terms:
-6 + 7 + -9n + 8n2 = -7 + 7

Combine like terms: -6 + 7 = 1
1 + -9n + 8n2 = -7 + 7

Combine like terms: -7 + 7 = 0
1 + -9n + 8n2 = 0

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

Subproblem 1

Set the factor '(1 + -8n)' equal to zero and attempt to solve: Simplifying 1 + -8n = 0 Solving 1 + -8n = 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 + -8n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -8n = 0 + -1 -8n = 0 + -1 Combine like terms: 0 + -1 = -1 -8n = -1 Divide each side by '-8'. n = 0.125 Simplifying n = 0.125

Subproblem 2

Set the factor '(1 + -1n)' equal to zero and attempt to solve: Simplifying 1 + -1n = 0 Solving 1 + -1n = 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 + -1n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1n = 0 + -1 -1n = 0 + -1 Combine like terms: 0 + -1 = -1 -1n = -1 Divide each side by '-1'. n = 1 Simplifying n = 1

Solution

n = {0.125, 1}

See similar equations:

| 3(-6k+6)=126 | | 8(3s+7)=248 | | -5(1+2a)=-85 | | X^2-3=4x+9 | | 24-8x=-5x | | 2.4x-1=3.8 | | 7(2l+8)=2 | | 3y-15=y+13 | | 177=-3(-7n-5)+6n | | 3*(2x-5)-2*(5x+4)=7*(2x-1)-(3x+1) | | .33x^2-3=0 | | (D-8)(d-2)= | | 53=45q | | (5x-15)+9=2x+9 | | 25(x)=5x^2-3 | | -6(-1-7x)=216 | | -460=8(8k+7)-4 | | .9y-3=1.4y+6 | | 5(5)=y-9 | | 112=-7(2b-4) | | .3x+2=.6x-10 | | 5(4)=y-9 | | -8(n-6)=96 | | 45x^2-28x-5=0 | | -56=5.6b | | r-4.3=2.2 | | 8(-4k+7)=24 | | -5.9c=59 | | 4(1)-4y=4 | | -80.6=-6.2d | | (3x+9)-4=1x+27 | | 3(2x+1)=3(x+7) |

Equations solver categories