Mathematics : Algebraic Expressions and Identities

Subtract 4p²q + 5pq² – 3pq + 7q – 8p – 10 from 5p²q – 2pq² + 5pq – 11q – 3p + 28

Find the product of (5p² + 4p + 7) and (p + 2).

Simplify 3x(2x – 1) + 8 and find its values at x = –1.

Simplify: (x² – 6)(x – 6) + 36

Verify the identity (x + a)( x + b) = x² + (a + b)x + ab for a = 2, b = 3 and x = 4,

The length and breadth of a rectangle are 3x² – 2 and 2x + 5 respectively. Find its area.

Find the volume of cuboid whose dimensions are (x² – 2); (2x + 2) and (x – 1).

What is the mumerical co-effcient of -3xy?

• 3

• -3

• -xy

What is the mumerical co-effcient of  in -5xyz?

• -5

• 5

• -5xy

What is the mumerical co-effcient of  x²y²?

• 0

• 1

• x²