Find the product:-
`(x^2 - 3x + 5) xx (5x + 9)`

Find the product of (5x - y +z) (5x - y +z)

Find the product of the -2x, -3x^2.

Find 3x xx (-5xy) .

Use suitable identities to find the following products (i) (x +5) (x +2) (ii) (x-5) (x-5) (iii) (3x +3) (3x -2) (iv) (x ^(2) + (1)/( x ^(2)) )(x ^(2) - (1)/( x ^(2))) (v) (1+x) (1+x)

Multiply the algebraic expressions ans find the product: 5x xx (x+2)

Find the remainder when 9x ^(3) - 3x ^(2) + x-5 is divided by x - (2)/(3)

Find out derivative of (3x^2 + 5x + 78)

Compute lim x → − 2 ( 3 x 2 + 5 x − 9 )

Let's find the roots of the equations 5x - (4x - 7) (3x - 5) = 6 - 3(4x - 9) (x - 1)

(a) If x : y = 3 : 4 , then find the value of the ratio (2x + y) : ( 9x - 2y) . (b) If x : y = 5 : 4 , then find the value of the ratio (x^(2) + xy) : (x^(2) - xy) .