Question

factorise 2x^3-x^2-13x-6​

Answer 1

Answer:

(x-2) is factor

Step-by-step explanation:

Answer

f(x) = 2x3 + x2 − 13x + 6.

Factors of constant term 6 are ±1, ± 2, ± 3, ± 6.

Putting x = 2, we have:

f(2) = 2(2)3 + 22 − 13 (2) + 6 = 16 + 4 − 26 + 6 = 0.

Hence (x − 2) is a factor of f(x).

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Answer 2

(2x + 1)* (x + 2)* (x - 3)