2x 3y 2 4x 9y July 8, 2019 16 32 64 128 2x 3y 2 4x 9y =- 1 2x 3y 2 4x 9y =- 1 substituição 2x 3y =- 2 4x 9y 14 4x 3y 2 2x y 5x 9y 2x 3y )( 4x 2 6xy 9y 2 2x 3y 2 and 4x 9y =- 1 find x y If 2x 3y 2 and 4x 9y then find x y 2x 5 3y 4 )(- 4x 2 9y 4 2x 3y 8 4x 2 9y 2 40 find xy 2x 2 5xy 3y 2 4x 2 9y 2 4x 2 9y 2 2x 3y factorise