(3n+5)(n+3)=7

Simple and best practice solution for (3n+5)(n+3)=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 (3n+5)(n+3)=7 equation:


Simplifying
(3n + 5)(n + 3) = 7

Reorder the terms:
(5 + 3n)(n + 3) = 7

Reorder the terms:
(5 + 3n)(3 + n) = 7

Multiply (5 + 3n) * (3 + n)
(5(3 + n) + 3n * (3 + n)) = 7
((3 * 5 + n * 5) + 3n * (3 + n)) = 7
((15 + 5n) + 3n * (3 + n)) = 7
(15 + 5n + (3 * 3n + n * 3n)) = 7
(15 + 5n + (9n + 3n2)) = 7

Combine like terms: 5n + 9n = 14n
(15 + 14n + 3n2) = 7

Solving
15 + 14n + 3n2 = 7

Solving for variable 'n'.

Reorder the terms:
15 + -7 + 14n + 3n2 = 7 + -7

Combine like terms: 15 + -7 = 8
8 + 14n + 3n2 = 7 + -7

Combine like terms: 7 + -7 = 0
8 + 14n + 3n2 = 0

Factor a trinomial.
(4 + n)(2 + 3n) = 0

Subproblem 1

Set the factor '(4 + n)' equal to zero and attempt to solve: Simplifying 4 + n = 0 Solving 4 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + n = 0 + -4 n = 0 + -4 Combine like terms: 0 + -4 = -4 n = -4 Simplifying n = -4

Subproblem 2

Set the factor '(2 + 3n)' equal to zero and attempt to solve: Simplifying 2 + 3n = 0 Solving 2 + 3n = 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 + 3n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3n = 0 + -2 3n = 0 + -2 Combine like terms: 0 + -2 = -2 3n = -2 Divide each side by '3'. n = -0.6666666667 Simplifying n = -0.6666666667

Solution

n = {-4, -0.6666666667}

See similar equations:

| 2a+-2=0 | | (5/6)q-4=-14 | | 4x+2y=2x+4y | | 16r=-80 | | (1/3)a-4+9=7 | | 8(x^2-100)=0 | | (1/5)a-4+9=7 | | 57m-18m=5m | | 15-6x=3(5-2x) | | 125t=2000 | | 25x-x^3= | | 22w=10.56 | | 4(1x+2)=20 | | 3x-2y=-0.5 | | 13-5(n)=140 | | 8w-4=44 | | 6-(1/6)m-8=0 | | 3x-15=3x+8 | | -5.25(2m+1)=6m+176.25 | | 10+10=x+x+1 | | 6x-2=13x-32 | | 4x-4+2=6 | | -64n+20n=-28(-24+32n)+12 | | 3x=-3(6-x) | | t^2-5t=t(7+t) | | 10x+17=7x+4 | | 8g+15=36-6g | | 21=75-7 | | 2-(x+4)=3x+8 | | -10=2n | | 2n+4=(-2) | | 2t=3(t-20) |

Equations solver categories