Respuesta :

 sum of two polynomials is –yz2 – 3z2 – 4y + 4      (1)

one polynomial is y+4yz2+3             (2)

we need to find second polynomial.

we subtract equation(2) from equation(1).

-yz2-3z2-4y+4-(y+4yz2+3)= 3yz2-5y-3z2+7


Answer:

it is d 3yz2 – 3z2 – 5y + 7

Step-by-step explanation:

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