Question

P(x) = x4 − 9x2 − 4x 12? what some roots

Answer 1

2

4

3

6

12

Explanation:

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Answer 2

P(x) = x^4 - 9x^2 - 4x + 12
P(1) = 1^4 - 9(1)^2 - 4(1) + 12 = 1 - 9 - 4 + 12 = 0
x = 1 is a root.
By dividing the polynomial by x - 1, gives other roots as 3 and -2