(3n+4)(n-2)-3n(n+3)=3

Simple and best practice solution for (3n+4)(n-2)-3n(n+3)=3 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 (3n+4)(n-2)-3n(n+3)=3 equation:


Simplifying
(3n + 4)(n + -2) + -3n(n + 3) = 3

Reorder the terms:
(4 + 3n)(n + -2) + -3n(n + 3) = 3

Reorder the terms:
(4 + 3n)(-2 + n) + -3n(n + 3) = 3

Multiply (4 + 3n) * (-2 + n)
(4(-2 + n) + 3n * (-2 + n)) + -3n(n + 3) = 3
((-2 * 4 + n * 4) + 3n * (-2 + n)) + -3n(n + 3) = 3
((-8 + 4n) + 3n * (-2 + n)) + -3n(n + 3) = 3
(-8 + 4n + (-2 * 3n + n * 3n)) + -3n(n + 3) = 3
(-8 + 4n + (-6n + 3n2)) + -3n(n + 3) = 3

Combine like terms: 4n + -6n = -2n
(-8 + -2n + 3n2) + -3n(n + 3) = 3

Reorder the terms:
-8 + -2n + 3n2 + -3n(3 + n) = 3
-8 + -2n + 3n2 + (3 * -3n + n * -3n) = 3
-8 + -2n + 3n2 + (-9n + -3n2) = 3

Reorder the terms:
-8 + -2n + -9n + 3n2 + -3n2 = 3

Combine like terms: -2n + -9n = -11n
-8 + -11n + 3n2 + -3n2 = 3

Combine like terms: 3n2 + -3n2 = 0
-8 + -11n + 0 = 3
-8 + -11n = 3

Solving
-8 + -11n = 3

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -11n = 3 + 8

Combine like terms: -8 + 8 = 0
0 + -11n = 3 + 8
-11n = 3 + 8

Combine like terms: 3 + 8 = 11
-11n = 11

Divide each side by '-11'.
n = -1

Simplifying
n = -1

See similar equations:

| 15-3e=16 | | -5x-2y=-2 | | 8a-3(2a-7)=44 | | 8x+30=46 | | 6s+3=-27 | | -2x+6y=4 | | 12-3= | | -2x+6y=2 | | 0.09y+0.13(3000-y)=0.46y | | -0.02x+0.1(x+400)=56 | | -(3x-1)+(2x+3)=-4+3(x-1) | | 5x+19y^2=15 | | 46-3t=-23 | | -9x+5(-3x-2)=-30-4x | | 6h+24=0 | | 14o-17=39 | | 15(9c-8)=2c-2 | | 140-17=39 | | -.4p+2=.2p | | 7x-20=3x+20 | | 2f-13=25 | | 2x+6+x=9 | | 3s^2+9s+1=0 | | r^2-4r=32 | | 12-15(2x-3)=63 | | 3x-(1/2)=2x/(7/4) | | (4xy+3y^3)dx+(3x^2+5xy^2)dy=0 | | -7k+r=a-8y | | -7k+r=a-87 | | r=a+7k-8y | | ia(s^2+4s+1)+ib(-s^2-1)=-2 | | 9-5j=j-3 |

Equations solver categories