Simplify: (x^2 + 3) (x – 3) + 9

Simplify:
(i) (x² + 3) (x – 3) + 9
(ii) (x + 3) (x – 3) (x + 4) (x – 4)
(iii) (x + 5) (x + 6) (x + 7)
(iv) (p + q – 2r) (2p – q + r) – 4qr
(v) (p + q) (r + s) + (p – q)(r – s) – 2(pr + qs)
(vi) (x + y + z) (x – y + z) + (x + y – z) (-x + y + z) – 4zx

Solution:

If two adjacent sides of a rectangle are 5x² + 25xy + 4y² and 2x² – 2xy + 3y², find its area.

Solution:

More Solutions:

• Find the product of: 4x^3 and -3xy
• Find the areas of rectangles with the following pairs of monomials
• Simplify the following expressions and evaluate them
• Add the following: 4p(2 – p^2) and 8p^3 – 3p