Question

plz give the answer ​

Answer 1

Answer:

its a simple question but too long so here you go mate

Step-by-step explanation:

A-3B

(4x²+y²-6xy)-3(3y²+12x²+8xy)

=(4x²+y²-6xy)-9y²+36x²+24xy

=4x²+y²-6xy-9y²+36x²+24xy

=40x²-8y²+18xy

here is your answer☝️☝️☝️

mark as brainliest if satisfied