Question

find all the zeros of polynomial P(x)=
$2 {x}^{4} - 7 {x}^{3} + 19 {x}^{2} - 14x + 30 \: \: if \: two \: of \: zeroes \: are \: \sqrt{2} \: and \: \sqrt{ - 2}$
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Answer 1

Answer:

other roots -5 ,3/2

Step-by-step explanation:

see the pic