How do i solve this problem? how did they get 2.5?

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asked Apr 12, 2019 109k views

1 Answer

Miku Ghoul · Answer 1 · 2019-04-17T04:27:31+0000

Take the GCF (-8t) of the given expression.

You'll get -8t(2t-5).

Now, set each equal to zero and solve for x.

-8t = 0 2t-5=0

t=0 t = 5/2 (Or 2.5 seconds)

How do i solve this problem? how did they get 2.5?

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