5n^2-13n=28

Simple and best practice solution for 5n^2-13n=28 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 5n^2-13n=28 equation:


Simplifying
5n2 + -13n = 28

Reorder the terms:
-13n + 5n2 = 28

Solving
-13n + 5n2 = 28

Solving for variable 'n'.

Reorder the terms:
-28 + -13n + 5n2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + -13n + 5n2 = 0

Factor a trinomial.
(-7 + -5n)(4 + -1n) = 0

Subproblem 1

Set the factor '(-7 + -5n)' equal to zero and attempt to solve: Simplifying -7 + -5n = 0 Solving -7 + -5n = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -5n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5n = 0 + 7 -5n = 0 + 7 Combine like terms: 0 + 7 = 7 -5n = 7 Divide each side by '-5'. n = -1.4 Simplifying n = -1.4

Subproblem 2

Set the factor '(4 + -1n)' equal to zero and attempt to solve: Simplifying 4 + -1n = 0 Solving 4 + -1n = 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 + -1n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1n = 0 + -4 -1n = 0 + -4 Combine like terms: 0 + -4 = -4 -1n = -4 Divide each side by '-1'. n = 4 Simplifying n = 4

Solution

n = {-1.4, 4}

See similar equations:

| 3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3= | | 2+5(x-3)=2(2x+1) | | 17=k+1 | | 7x+3.4=-1.5 | | p(5)=10x-7 | | -2x-12=7-3x | | X+6=x^3 | | 5(2x+4)-3(x+2)= | | 18+11x=23 | | 5x-7x+4=3-3x | | 6(x+1)=w | | -8(g+3)=-56 | | 6x-5=7-11x | | -51=2y+19-3y | | -1(z+17)=20 | | X^3-x-6=0 | | -545=20k-5 | | 5(2x+4)=40 | | 2(x-4)-10= | | -12x-11=25-11(x-1) | | 2x+3y-9=0 | | X+17=10-3x | | 14+19=13d-1 | | 12x^3=48 | | 14d+19=13-1 | | x^3+7x^2-2x=-1 | | x+(y-5)=31 | | x+(x-5)=31 | | 6x^4y^4-6x^3y^2+8xy^2-8= | | x^4+15x^2+56=0 | | 7x+6x+4+9=5x+5+7x | | -25x^2+36=-25x |

Equations solver categories