(3n+5)(n-3)-3n(n+5)=4

Simple and best practice solution for (3n+5)(n-3)-3n(n+5)=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 (3n+5)(n-3)-3n(n+5)=4 equation:


Simplifying
(3n + 5)(n + -3) + -3n(n + 5) = 4

Reorder the terms:
(5 + 3n)(n + -3) + -3n(n + 5) = 4

Reorder the terms:
(5 + 3n)(-3 + n) + -3n(n + 5) = 4

Multiply (5 + 3n) * (-3 + n)
(5(-3 + n) + 3n * (-3 + n)) + -3n(n + 5) = 4
((-3 * 5 + n * 5) + 3n * (-3 + n)) + -3n(n + 5) = 4
((-15 + 5n) + 3n * (-3 + n)) + -3n(n + 5) = 4
(-15 + 5n + (-3 * 3n + n * 3n)) + -3n(n + 5) = 4
(-15 + 5n + (-9n + 3n2)) + -3n(n + 5) = 4

Combine like terms: 5n + -9n = -4n
(-15 + -4n + 3n2) + -3n(n + 5) = 4

Reorder the terms:
-15 + -4n + 3n2 + -3n(5 + n) = 4
-15 + -4n + 3n2 + (5 * -3n + n * -3n) = 4
-15 + -4n + 3n2 + (-15n + -3n2) = 4

Reorder the terms:
-15 + -4n + -15n + 3n2 + -3n2 = 4

Combine like terms: -4n + -15n = -19n
-15 + -19n + 3n2 + -3n2 = 4

Combine like terms: 3n2 + -3n2 = 0
-15 + -19n + 0 = 4
-15 + -19n = 4

Solving
-15 + -19n = 4

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + -19n = 4 + 15

Combine like terms: -15 + 15 = 0
0 + -19n = 4 + 15
-19n = 4 + 15

Combine like terms: 4 + 15 = 19
-19n = 19

Divide each side by '-19'.
n = -1

Simplifying
n = -1

See similar equations:

| 2x-(5x+4)=2x-44 | | 3/6x=-29/6 | | -15y=-9(-8y-1)-9 | | 9+11t-2=9t+12-3t | | 18.48-1.4d=-5.6d | | 12x-42/7-2x | | -6.8n-1.7n-2.12=10.62-7.8n | | -8x^2+44x-32=0 | | X+1+2x-16=90 | | -4.6k+3.06=-4.9k | | x^2+2x^2-5x^2+3x-4x+2x+5-1+4= | | 19+34=48x+1 | | 8.1w-3.99-9.3w=-0.7w+5.66 | | 13.19+2.9h=-0.2h-9.13 | | 27+19=14x-3 | | 18+15b=13b-20 | | 11a-13=12a+6 | | -13g+2+11=-16g+19 | | 3a+5*30=154 | | 3x+1=8y | | 170x=500 | | -7z=-20-8z | | -8q=-9q-10 | | 6x+7y=-28 | | 3(2x+1)=4(3x-2)+1 | | 5x+15-6x=25+3x-10 | | 3a*42=124 | | -7+9r=8r-4 | | 8x-12.78=7x+12.22 | | 5x+1=28 | | -7m+2=-5+9-6m | | -5t+9=-6 |

Equations solver categories