Simplify each of the products: `(1/2a-3b)(3b+1/2a)(1/4a^2+9b^2)`

Find each of the following products: (-1/(27)a^2b^2)xx\ (9/2a^3b^2c^2) (-7x y)xx(1/4x^2y z)

Simplify each of the following: -5(a+b)+2(2a-b)+4a-7 -3(a+b)+4(2a-3b)-(2a-b)

Find the value of the products: (4a^2+3b)(4a^2+3b)a t\ a=1,\ b=2.

Simplify the following expressions : 1/2 (a - 3b) - 2/3 (1/4 a - 4/3b)

Find the product (2a-3b-2c)(4a^(2)+9b^(2)+4c^(2)+6ab-6bc+4ca) .

Simplify the following expressions : 2/3 (2a-b) +1/2 (a-2b+c) - 1/3 c

Simplify each of the following: (i) 7x^3y+9y x^3 (ii) 12 a^2b+3b a^2

Find the product: (2a-3b-2c)(4\ a^2+\ 9\ b^2+\ 4\ c^2+\ 6\ a b-6\ b c+4c a)

Use a suitable identity to get each of the following products. (i) (x+3)(x+3) (ii) (2y+5)(2y+5) (iii) (2a-7)(2a-7) (iv) ((3a)-1/2)((3a)-1/2) (v) (1.1m-0.4)(1.1m+04) (vi) (a^2+b^2)(-a^2+b^2) (viI) (6x-7)(6x+7) (vii) (-a+c)(-a+c) (viii) (x/2+(3y)/4)(x/2+((3y)/4) (ix) (7a-9b)(7a-9b)

Factorize each of the following expressions: (i) 4a^2-9b^2-2a-3b (ii) x^2+2x y+y^2-a^2+2a b-b^2