(i) Multiply the following : `(2x^2+2x)` with `2x^2`

Factorise the following : (i) 2x^(2)+9x+9 (ii) 2x^(2)+9x-5

Multiply : -2x^(2) with 3xy

Solve the following quadratic: x^2+2x+2=0

Write the coefficients of x^2 in each of the following:(i) 2+x^2+x (ii) 2-x^2+x^3 (iii) pi/2x^2+x (iv) sqrt(2)x-1

Multiply : 2x " with " 3x

Multiply : -6x^(2) "with " -2xy

Add the following expressions: 2x^(2), -5x^(2) - x^(2), 6x^(2)

Write the degree of each of the following polynomials : 2x^2+5x^2-7 (ii) 5x^2-3x+2 2x+x^2-8

Multiply : -3x^(2)y^(2) with -2xyz

Compute the following: [[cos^2x, sin^2x],[sin^2 x, cos^2 x]]+[[sin^2x, cos^2 x],[cos^2 x, sin^2 x]]