Question

Question 87 (ii)

Write the greatest common factor in the following terms.

$3x^{2}y,18x{y}^2,-6xy$

Answer 1

We have,
$3x^{2}y=3\times x\times x\times y$
$18x{y}^2=3\times 6\times x\times y\times y-6xy=-1\times 3\times 2\times x\times y$
$\therefore$ GCF = 3xy