n^2-3n-28=

Simple and best practice solution for n^2-3n-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 n^2-3n-28= equation:


Simplifying
n2 + -3n + -28 = 0

Reorder the terms:
-28 + -3n + n2 = 0

Solving
-28 + -3n + n2 = 0

Solving for variable 'n'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1n)' equal to zero and attempt to solve: Simplifying 7 + -1n = 0 Solving 7 + -1n = 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 + -1n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1n = 0 + -7 -1n = 0 + -7 Combine like terms: 0 + -7 = -7 -1n = -7 Divide each side by '-1'. n = 7 Simplifying n = 7

Solution

n = {-4, 7}

See similar equations:

| 18w^2+81w-45=0 | | 4(3xs)+7(2s)= | | x+19=36-19 | | y-2.1=7.5 | | 2x^2+13x-18=0 | | y-2.1=7.2 | | 93=5-2(-7r+5) | | (x-2)(4x+7)=0 | | 10.5+p=-8.32 | | 2(x+6)=4x+12 | | h^2-7h=-60 | | 5(z-2)+6z-4= | | 59-(7b-1)=100 | | X=-2y-1 | | 2x-(5x-11)= | | x^2-2+3x+2=8 | | (3x-6)(x+1)= | | -8(6-6x)=336 | | -6x+2x-5x= | | 14.35s=-5.2 | | 2(x-8)=12 | | -22=-4p-7p | | 7st+4t(s+t+4)-9= | | 5a-30= | | x-8x=14 | | m+1.06=5 | | 9.8m=1.7 | | -7+5x+4x=-79 | | -0.2w=15.4 | | 6y^5-39y^4+18y^3= | | 10+2(x-1)+7x=3x+1 | | P=2-Q |

Equations solver categories