Question

Find the greatest common factor of -30x^4 yz^3 and 75x^4 z^2

Fill in the blanks.

__ x^_ z^_

Answer 1

Hello from MrBillDoesMath!

Answer:

15 x^4 z^2

Discussion:

Only x and z appear in both expressions so I am looking for the highest power of x and z in both terms. This is clearly

x^4z^2

but 30 and 75 (constant) are both divisible by 15 so the final gcf is 15 x^4 z^2

Thank you,

MrB