[7(2x+5)+3(2x+5)],[(x+y)(2x+3y)-(x-y)(x+y)]

Simplify: (2x + 5y)(3x + 4y) - (7x + 3y)(2x + y)

Factorize :7(2x+5)+3(2x+5)(x+2)y+(x+2)x5a(2x+3y)-2b(2x+3y)8(5x+9y)^(2)+12(5x+9y)

(7-2x + 5y- (xy)] - (5x + 3y-7)

Simplify: (3x+2y)(4x+3y)-(2x-y)(7x-3y)

If (3x -4y) : (2x -3y) = (5x -6y) : (4x -5y) , find : x : y .

Simplify: (3x+2y)(4x+3y)-\ (2x-y)(7x-3y)

Simplify: (2x+3y)(3x4y)-(7x+3y)(x+2y)

Simplify : (i) (5x - 9y) - (-7x + y) (ii) (x^(2) -x) -(1)/(2)(x - 3 + 3x^(2)) (iii) [7 - 2x + 5y - (x -y)]-(5x + 3y -7) (iv) ((1)/(3)y^(2) - (4)/(7)y + 5) - ((2)/(7)y - (2)/(3)y^(2) + 2) - ((1)/(7)y - 3 + 2y^(2))

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))

Simplify: (2x+3y)(3x+4y)-(7x+3y)(x+2y)