Factorize completely 81a\(^4\) - 16b\(^4\)
One of the factors of (mn - nq - n\(^2\) + mq) is (m - n). The other factor is?
A car travels from calabar to Enugu, a distance of P km with an average speed of U km per hour and continues to benin, a distance of Q km, with an average speed of Wkm per hour. Find its average speed from Calabar to Benin
factorize m\(^3\) - m\(^2\) + 2m - 2
Factorize completely 81a\(^4\) - 16b\(^4\)