Question

Fnd the highest common factor of -8xy and 20y

Answer 1

Answer:

$\huge\boxed{\boxed{2}\cdot\boxed{2}\cdot\boxed{y}=4y}$

Step-by-step explanation:

$-8y=-2\cdot\boxed{2}\cdot\boxed{2}\cdot \boxed{y}\\\\20y=\boxed{2}\cdot\boxed{2}\cdot5\cdot\boxed{y}$