1.(3x+2y)^2=..... 2.(2x+3)(2x-3)=.... 3.2x+3y-4x+7=.... 4.(x+2)(x-3)=... pakai cara yaaa soal nya kumpulin besok

1. (3x+2y)²= 3²x²+2²y²= 9x²+4y²

2. (2x+3) (2x-3)= 4x²-6x+6x-9= 4x²-9

3. 2x+3y-4x+7= -2x+3y+7

4. (x+2) (x-3) = x²-3x+2x-6= x²-x-6