Factor the expression (72a9b3 − 18a7b5) completely.
a
b3(4a2 − b
)
Factors:
72a^9b^3 - 18a^7b^5
18a^7b^3(4a^2 - b^2)
Common factor of 18a^7b^3:
18a^7b^3(4a^2 - b^2)
a
b3(4a2 − b
)
72a^9b^3 - 18a^7b^5
18a^7b^3(4a^2 - b^2)
Common factor of 18a^7b^3:
18a^7b^3(4a^2 - b^2)