if t =-5,then find the value of t²-2t-15 and. answer should be 20 answer it in step by step .
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Answered by
2
Step-by-step explanation:
t²-2t-15
(-5)²-2(-5)-15
25+10-15
20
.................
Answered by
0
Answer:
99340422ooooooooooooooooooooooooo4....
777
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