Question

Write the greatest common factor of the following terms $3x^{2}y$, $18x{y}^2$, $-6xy$

Answer 1

We have

$3x^{2}y=3\times x\times x\times y$

$18x{y}^2=3\times 6\times x\times y\times y$

$-6xy=(-1)\times 6\times x\times y$

$\therefore$ Greatest common factor is $3xy$