Find the following products: `7/5x^2y(3/5x y^2+2/5x)` `4/3a(a^2+b^2-3c^2)`

Find the following products: (i) 7/5x^2y(3/5x y^2+2/5x) (ii) 4/3a(a^2+b^2-3c^2)

Find the following products: (7)/(5)x^(2)y((3)/(5)xy^(2)+(2)/(5)x)(4)/(3)a(a^(2)+b^(2)-3c^(2))

Find each of the following products: 5x^(2)x4x^(3)(2)-3a^(2)x4b^(4)

Find each of the following products: (i) (-5x y)xx(-3x^2y z) (ii) 1/2x y\ xx2/3x^2y z^2

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

Find each of the following products : (2x^(2) + 3x - 7) xx (3x^(2) - 5x + 4)

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^4-5a b^3+7a^3b-6a^2b^2+b^4

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^2-5a b^3+7a^3b-6a^2b^2+b^4

Find the following products: (i) (x+2)(x+3) (ii) (x+7)(x-2) (iii) y-4)(y-3) (iv) (y-7)(y+3) (vi) (2x-3)(2x+5) (vii) (3x+4)(3x-5)

Find the following products: (i) (z^2+2)(z^2-3) (ii) (3x-4y)(2x-4y) (iii) (3x^2-4x y)(3x^2-3x y) (iv) (x+1/5)(x+5)