Question

23 question answer plzzz​

Answer 1

Answer:

-9x²pz

Step-by-step explanation:

9x²pz-18x²pz = -9x²pz

Answer 2

Ans

as your request as is -9 x^2pz

Step-by-step explanation:  9x^2pz-18px^2z

                                              after subtraction  u will get -9x^2pz