. Find the zeroes of the polynomial t³ - 2t² -15t
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Answer:
Zeroes are 5,-3,0
Step-by-step explanation:t^3-2t^2-15t
Take a common to then we get,
t (t^2-2t-15)=0
t^2-2t-15=0/t
t^2+3t-5t-15=0
t (t+3)-5 (t+3)=0
(t-5)(t+3)=0
t-5=0,t+3=0
t=5,t=-3,t=0
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