Respuesta :

As 2 zeroes are 2 and 1 the polynomial is divisible by (x + 2) and (x + 1)

and by x^2 + 3x + 2

if we do long division  the quotient is  2x^2 - 5x - 3

this factors to (2x  + 1)(x  - 3)

so the other zeroes are -1/2 and 3.

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