Question

Is (x +underroot 2) is a factor of (2x cube + 9x square -11x -30 ???

Answer 1

Step-by-step explanation:

2x³+9x²-11x-30

(x-2) (2x²+13x+15)

(x-2)(x+5)(2x+3)

so (x+√2) is not a factor of (x-2), (x+5), (2x+3)

so x+√2 is not factor of 2x³+9x²-11x-30

Answer 2

Answer:

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Step-by-step explanation:

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