Question

expand (2x+3y)^2 and evalute 4√81​

Answer 1

Answer:

4√81= 4*9= 36

Step-by-step explanation:

(2x + 3y)^2

= (2x) ^2. + (3y)^2. +2*2x*3y

= 4x^2. + 9y^2. + 12xy

•°• answer is 4x^2 + 9y^2 + 12xy