Find the each of the following products:
`(0.8x - 0.5y)(1.5x - 3y)`

Find the each of the following products: (9x + 5y)(4x + 3y)

Find the each of the following products: (2x + 3y - 5)(x + y)

Find the each of the following products: (5y - 1)(3y - 8)

Find the each of the following products: (2x^(2) - 5y^(2))(x^(2) + 3y^(2))

Find each of the following products : (9x + 5y) xx (4x + 3y)

Find the each of the following products: ((2)/(5)x - (1)/(2)y)(10x - 8y)

Find the each of the following products: ((1)/(5)x + 2y)((2)/(3)x - y)

Find each of the following products : (3y - 8) xx (5y - 1)

Find each of the following products: (i) (x + 3) (x - 3) (ii) (2x + 5)(2x - 5) (ii) (8 + x)(8 - x) (iv) (7x + 11y) (7x - 11y) (v) (5x^(2) + (3)/(4) y^(2)) (5x^(2) - (3)/(4) y^(2)) (vi) ((4x)/(5) - (5y)/(3)) ((4x)/(5) + (5y)/(3)) (vii) (x + (1)/(x)) (x - (1)/(x)) (viii) ((1)/(x) + (1)/(y)) ((1)/(x) - (1)/(y)) (ix) (2a + (3)/(b)) (2a - (3)/(b))

find the each of the following products :(i)(x+3)(x+3)(i)(2y+5)(2y+5)