Question

please answer clearly
thank you

Answer 1

Answer:

(a) Monomial

(b) Degree

(c) (-3x+y+z)(-3x+y+z)

= 9x²-3xy-3xz-3xy+y²+yz-3xz+zy+z²

= 9x²+y²+z²-6xy-6xz+2zy

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