factorise by using factor theoram t^2-2t-15
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Answered by
0
Step-by-step explanation:
t square -2t -15
t square -(5-3)t-15
t square -5t +3t -15
t(t-5) +3(t-5)
(t+3)(t-5)
t+3=0
t=-3
and, t - 5=0
t= 5
I HOPE THIS MAY HELP YOU........
Answered by
0
Answer:
(t+3)(t-5)
Step-by-step explanation:
t²-2t-15
t²-5t+3t-15
t(t-5) +3(t-5)
(t+3)(t-5)
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