EXERCISE

Write the factorised form of the following expression.

$-4a^2+4ab-4ca$

Write the factorised form of the following expression.

$x^{2}yz+x{y}^{2}z+xy{z}^2$

Write the factorised form of the following.

$a{x}^{2}y+bx{y}^2+cxyz$

Write the factorised form of the following.
$x^2+xy+8x+8y$

Write the factorised form of the following

$15xy-6x+5y-2$

Write the factorised form of the following

$ax+bx-ay-by$

Write the factorised form the following.

$15pq+15+9q+25p$

Factorize.

$z-7+7xy-xyz$