Question

from the sum of 3y² +5yz and -2y²+4yz - z²,subtract the sum of 5y²- 4z²and -2y²+3yz - 4z²​

Answer 1

the sum of 3y² +5yz and -2y²+4yz - z²

is y^2+9yz-z^2

subtract the sum of 5y²- 4z²and -2y²+3yz - 4z²

is 3y^2+3yz-z^2

hope it's help u

Answer 2

Answer:

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