3n^2+13n-56=0

Simple and best practice solution for 3n^2+13n-56=0 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^2+13n-56=0 equation:


Simplifying
3n2 + 13n + -56 = 0

Reorder the terms:
-56 + 13n + 3n2 = 0

Solving
-56 + 13n + 3n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-7 + -1n)(8 + -3n) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -3n)' equal to zero and attempt to solve: Simplifying 8 + -3n = 0 Solving 8 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3n = 0 + -8 -3n = 0 + -8 Combine like terms: 0 + -8 = -8 -3n = -8 Divide each side by '-3'. n = 2.666666667 Simplifying n = 2.666666667

Solution

n = {-7, 2.666666667}

See similar equations:

| 8x-12y+15=0 | | 177=7x+3(4x+2) | | 2y-4(-1)=14 | | 8y-14y+4+8x+10y+4x= | | X^2+16x+64=1 | | -100=-4(-7-8v) | | 6/2=4/2 | | 2x^2-10x=-6+2x | | 2(-3)+x=-15 | | 99=-14x+3x | | (8x+6)+118=180 | | 2y+(3y)=-15 | | 12x+4y+12x+6-2y+10= | | f(x)=-(x-9)-25 | | 7+3y=-15y | | 65+(11-17)=180 | | 10x+2-2x=8x+8-7 | | 17x+18=57 | | -3(4+(-7))+(-2(5)-17)= | | X-3y=42 | | 66-3x=6 | | 10t+4-2t=2-2(t+4) | | 10x-5-5x+10=120 | | 10x-5-5x-10=120 | | 2x-50=18 | | (3x+10)+(2x+5)+(x-9)=180 | | 23/5-7=8 | | 11.3=n+4.2 | | -3(n+5)-8(7-6n)=0 | | (x^4+3x^3-2x^3)(-5x^2+x)=(x^4+3x^3-2x^3)(-5x^2)+(x+3x^3-2x^3)(x) | | 2+7x-8=36 | | a/3-a?4=1 |

Equations solver categories