Question

(4x² – 7xy + 8z), (x2 – 2xy + 9z), (-3x2 + 8xy) add

Answer 1

Answer:

2x^2-xy+17

Explanation:

4x^2-7xy+8z

x^2-2xy+9z. (+)

-3x^2-xy

----------------------

2x^2-xy+17z