7n^2-12n-4=

Simple and best practice solution for 7n^2-12n-4= 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 7n^2-12n-4= equation:


Simplifying
7n2 + -12n + -4 = 0

Reorder the terms:
-4 + -12n + 7n2 = 0

Solving
-4 + -12n + 7n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-2 + -7n)(2 + -1n) = 0

Subproblem 1

Set the factor '(-2 + -7n)' equal to zero and attempt to solve: Simplifying -2 + -7n = 0 Solving -2 + -7n = 0 Move all terms containing n to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -7n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7n = 0 + 2 -7n = 0 + 2 Combine like terms: 0 + 2 = 2 -7n = 2 Divide each side by '-7'. n = -0.2857142857 Simplifying n = -0.2857142857

Subproblem 2

Set the factor '(2 + -1n)' equal to zero and attempt to solve: Simplifying 2 + -1n = 0 Solving 2 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1n = 0 + -2 -1n = 0 + -2 Combine like terms: 0 + -2 = -2 -1n = -2 Divide each side by '-1'. n = 2 Simplifying n = 2

Solution

n = {-0.2857142857, 2}

See similar equations:

| 22x+23x=66 | | (15-2x)(20-2x)x=4x^3-70x^2+300x | | s+.5s+10=52 | | x^2+16x=126 | | 3x-x=8+30 | | 2(3g+2)=onehalf(12g+8) | | (15-2x)(20-2x)x=4x^3-70x^2 | | 5(x+2)+4x=1 | | 8y+2(y-2)=4(y+1)-3 | | -(y+1)=-3 | | 3h^2-26h+48= | | 7x+5y-6=100 | | 0.8x-0.3(20+x)=1.45(20) | | 8y-2x=-10 | | 8-2a-1=4+a | | 4(t-4)+6t=5(2t+3)-11 | | 7y+2(y-6)=6(y+1)-2 | | 18.11=2.59c+1.72(8-c)whatisc | | (8y+10x)*dx+(5y+7x)*dy=0 | | -15=6x-3(3x-4) | | 2xy(xy)= | | -8a=4+a | | 3z^2-17z+10= | | -(-4+2r)=4-2r | | (4x^2+2x-7)(3x^2+4x+14)-(7x^2-11)= | | 5w^2+8w+3=0 | | 55x-3=45 | | -t^2+4t=-33 | | log(4)(2X+1)+log(4)(X-1)=1+log(4)6.25 | | 12+6=(2y+1) | | 6y-9=7y-6 | | 9*q=16.2 |

Equations solver categories