Question

answer me as fast as possible please



class 7​

Answer 1

Answer:

to get the no. we subtract x^2 - y^2 +6 xy + 20 from 3x^2 - 4y^2 + 5 xy +20

(3x^2 - 4y^2 + 5 xy +20 ) - (x^2 - y^2 +6 xy + 20)

for your answer see the above attachment

please thank and mark brainleast