Write 1+4 and t + 5
9
t-1
with a common denominator.
212 + 12+ + 16 and 181 +36
2t + 4
2t+4
12 +91 +20 and
(t +5)(t - 1)
91-9
(t + 5)(t - 1)
12 - 31+4 and
(t + 5)(t - 1)
91-5
(t + 5)(t - 1)
2 +31-4 and
(t + 5)(1 - 1)
90 + 45
(t + 5)/(t - 1)