#### Answer

(t-10)$^2$

#### Work Step by Step

t$^2$-20t+100
Two numbers that have a sum of -20 and a product of 100 are -10 and -10.
So the factorization is
(t-10)(t-10)
=(t-10)$^2$.

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

(t-10)$^2$

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