What are the solutions to the equation n^3+2n^2-9n-18=0 ?

The solutions to the equation n^3+2n^2-9n-18=0 are n=-2,n=-3,n=3

Find the zeros of n^3+2n^2-9n-18=0

The zeros of n^3+2n^2-9n-18=0 are n=-2,n=-3,n=3

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n^{3} + 2 n^{2} - 9 n - 18 = 0

n = - 2, n = - 3, n = 3

Solution steps

n^{3} + 2 n^{2} - 9 n - 18 = 0

Factor

n^{3} + 2 n^{2} - 9 n - 18 : (n + 2) (n + 3) (n - 3)

(n + 2) (n + 3) (n - 3) = 0

Using the Zero Factor Principle:

ab = 0

then

a = 0

b = 0

n + 2 = 0 or n + 3 = 0 or n - 3 = 0

Solve

n + 2 = 0 : n = - 2

Solve

n + 3 = 0 : n = - 3

Solve

n - 3 = 0 : n = 3

The solutions are

n = - 2, n = - 3, n = 3

z^{5} = 1 + i

x^{3} - 2 x^{2} + 5 x - 1 = 2

x^{4} + 8 x^{3} + 14 x^{2} - 17 x - 42 = 0

2 x^{6} + 300 = 30950

10 = - 2 x^{3} - 2 x + 14

What are the solutions to the equation n^3+2n^2-9n-18=0 ?
The solutions to the equation n^3+2n^2-9n-18=0 are n=-2,n=-3,n=3
Find the zeros of n^3+2n^2-9n-18=0
The zeros of n^3+2n^2-9n-18=0 are n=-2,n=-3,n=3