Question

from the sum of 2y2+3yz,-y2-y2-z2and y2+2z2,subtract the sum of 3y2-z2 and -y2+yz+z2

Answer 1

Answer:

y^2-z^2-2yz

Step-by-step explanation:

i hope ,it may help you

Answer 2

Answer:

Here is your answer friend I hope its help you

Step-by-step explanation:

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