Question

From the sum of
5y^2+7yz,\ -5y^2-yz-z^2\ \&\ 4yz+3z^25y2+7yz, −5y2−yz−z2 & 4yz+3z2

subtract the sum of

5y^2-3z^2\ \&\ 8y^2+yz\ -6z^25y2−3z2 & 8y2+yz −6z2

Answer 1

Answer:

sorry I can't understand