n^2+3n-4=0

Simple and best practice solution for n^2+3n-4=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 n^2+3n-4=0 equation:


Simplifying
n2 + 3n + -4 = 0

Reorder the terms:
-4 + 3n + n2 = 0

Solving
-4 + 3n + n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-4 + -1n)(1 + -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 '(1 + -1n)' equal to zero and attempt to solve: Simplifying 1 + -1n = 0 Solving 1 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1n = 0 + -1 -1n = 0 + -1 Combine like terms: 0 + -1 = -1 -1n = -1 Divide each side by '-1'. n = 1 Simplifying n = 1

Solution

n = {-4, 1}

See similar equations:

| (3x^2-5x+1)-(2x-3)= | | 9n+7=88 | | -150=-16t^2+7t+4 | | 12+7n=-6n | | 64/8/9= | | 8/9= | | 12+7n=6n | | 5x-2=13-74 | | 7x+21=14 | | -13=5(1+4m)-2n | | 0.7x-0.1=0.6x+3 | | 7a-2(3a-4)= | | 1.5x+2+2.5x-0.5=4x-1.5-3x | | w(w+8)=825 | | 12X^3-30x= | | 2-.75z=.125z+9 | | H=-(10.47)+10(10.47)+5 | | (x-1)*(x-1)=0 | | 20x+15=12x+71 | | 16-5(3t-4)=(-2t-11) | | -d^2+10d+5=0 | | 160=w+15w+w+15w | | -x^2+22x+23=0 | | (x-5)+(4x-5)=40 | | 2x+(2x+4)+(2x+4)=121 | | 9x^2-9x-17=1.5 | | 2j^2+3j=-1 | | 2w-10=8w-94 | | 20x-30y=120 | | 234x-68=7 | | 9x^2+9x-17=1.5 | | 234x-68=78 |

Equations solver categories