If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2n2 + 9n + -81 = 0 Reorder the terms: -81 + 9n + 2n2 = 0 Solving -81 + 9n + 2n2 = 0 Solving for variable 'n'. Factor a trinomial. (-9 + -1n)(9 + -2n) = 0Subproblem 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 = -9Subproblem 2
Set the factor '(9 + -2n)' equal to zero and attempt to solve: Simplifying 9 + -2n = 0 Solving 9 + -2n = 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 + -2n = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2n = 0 + -9 -2n = 0 + -9 Combine like terms: 0 + -9 = -9 -2n = -9 Divide each side by '-2'. n = 4.5 Simplifying n = 4.5Solution
n = {-9, 4.5}
| 12cos^2(x)-5cos(x)-2=0 | | (4)(1.25)(2/3) | | (x^2+21x^2+147x+343)=0 | | -3(-4-6y)+7(-t+5)=-8 | | -7(4x+6)+2= | | 1.5x+-4=0.5x+-4 | | 3x+0.5=4 | | (7/8x-1/2)^2 | | 1612=(5+X)X | | 2x+-7=1x+2 | | -2.1(14809*14809)+988(14809)+14792= | | 30=6(w-82) | | 10d+5n=425 | | 3logx-7=5 | | 1/3(12-y) | | 5x^2-20x=-40 | | D=n+8 | | 5x^2-20x=40 | | -x/-2=-5 | | X/2=4/6-x | | 4x+.75=-2x-.25 | | 806=(5+X)X | | 7(7-3u)+u=8+u | | X^2+4x-12=468 | | 18707(974)+14807= | | 12=-q | | 2x-.5=x-.25 | | 321343+7687= | | 10x+y+45=10y+x | | 2X+3=2(X+6) | | 2x-[14x-2(x-3)-(2x+3)]=16x+9 | | (25x^5-65x^2-25x)/(25x) |