Jawabanmu

2014-09-06T17:49:21+07:00
(2x+3y)(px+qy)=rx²+23xy+12y²
2px²+2qxy+3pxy+3qy²=rx²+23xy+12y²
2px²+2.4xy+3pxy+3.4y²= rx²+23xy+12y²
2px²+8xy+3pxy+12y²= rx²+23xy+12y²
2px²+3pxy+12y²=rx²+15xy+12y²
2.5x²+3.5xy+12y²=rx²+15xy+12y²
12x²+15xy+12y²=rx²+15xy+12y²