WAEC - Mathematics (2012 - No. 9)
Simplify: \(\frac{54k^2 - 6}{3k + 1}\)
6(1 - 3k2)
6(3k2 - 1)
6(3k - 1)
6(1 - 3k)
Vysvětlení
\(\frac{54k^2 - 6}{3k + 1} = \frac{6(9k^2 - 1)}{3k + 1}\)
= \(\frac{6(3k + 1) - (3k - 1)}{3k + 1}\)
= 6(3k - 1)
= \(\frac{6(3k + 1) - (3k - 1)}{3k + 1}\)
= 6(3k - 1)