Question

Obtain all others zeros of the polynomial 2x^3-4x-x^2+2.if two of its zeros are √2 and -√2

Answer 1

first make a factor of this eq. ,- (x+ underroot 2)(x-underroot2)= x^2-2
now divide x^2-2 by the given eq.
now factorise the quesant obtain
and you will get it

Answer 2

I hope it will help you

See the solution in picture

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