What is the area of the rectangle of length $4\mathrm{x}\mathrm{y}$ & breadth $2\mathrm{x}\mathrm{y}$ ?

Evaluate: $\left(7x+2y\right)\times \left(x+4y\right)$

Evaluate: $\left(3p^2+q^2\right)\times \left(2p^2-3q^2\right)$

Evaluate: $\left(x^2-5x+8\right)\times \left(x^2+2x-3\right)$

Evaluate: $\left(2x^2-5y^2\right)\times \left(x^2+3y^2\right)$

Evaluate: $\left(4x+9\right)\times \left(x-6\right)$

Evaluate: $\left(3m-4n\right)\times \left(2m-3n\right)$

Evaluate: $\left(9x+5y\right)\times \left(4x+3y\right)$

Evaluate: $\left(x^2-a^2\right)\times \left(x-a\right)$

Evaluate: $\left(x^3-5x^2+3x+1\right)\times \left(x^2-3\right)$

Evaluate: $\left(3y-8\right)\times \left(5y-1\right)$

Evaluate: $\left(2x+5\right)\times \left(4x-3\right)$

Evaluate: $\left(2x^2+3x-7\right)\times \left(3x^2-5x+4\right)$

Evaluate: $\left(x^2-5x+8\right)\times \left(x^2+2\right)$

Evaluate: $\left(3x+2y-4\right)\times \left(x-y+2\right)$

Evaluate: $\left(x^2-y^2\right)\times \left(x+2y\right)$

Evaluate: $\left(5x+7\right)\times \left(3x+4\right)$

Evaluate: $\left(9x^2-x+15\right)\times \left(x^2-x-1\right)$

Evaluate: $\left(9x^2-x+15\right)\times \left(x^2-3\right)$