Question

Given that √2 is a zero of the cubic polynomial 6x^3+ √2x^2-10x-4√2, find its other two zeros

Answer 1

if √2 is a zero ...it must satisfy the equation
so we can write....x-√2=0
....then devide the equation from x-√2
i.e 6x^3+√2x^2-4√2/x-√2