(- 2x 9y 2 )(- 4x 3 July 8, 2019 16 32 64 128 2x 3y 2 4x 9y 2x 3y )( 4x 2 6xy 9y 2 What is the product (- 2x 9y 2 )(- 4x 3 2x 3y 2 4x 9y =- 1 2x 3y 2 4x 9y =- 1 substituição 2x 2 3xy 4x 9y 2 6y 2x 3y =- 2 4x 9y 14 4x 2 9y 2 2x 3y factorise 4x 2 12xy 9y 2 2x 3y Simplify 4x 2 9y 2 2x 3y 4x 2 9y 2 36 2x 3y 6
