Use suitable identities to find the following products. `(5x+ 3y) (5x-3y)`

Use suitable identities to find the following products: (i) (x+4)(x+10) (ii) (x+8)(x-10) (iii) (3x+4)(3x-5) (iv) (y^2+3/2)(y^2-3/2) (v) (3-2x)(3+2x)

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

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

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

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

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

Find each of the following products -4x^(2)y (3x^(2) - 5y)

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