Question

Pl answer this it's urgent​

Answer 1

Answer:

wow your hand writing is good

Answer 2

Answer:

(2x^2-3y+z)^2=(2x)^2+(3y)^2+(z)^2-2(6xy-3yz+2xz)

as (a-b+c)^2=a^2+b^2+c^2-2(ab+bc-ca)