Math

The area of a rectangular field is given by the trinominal t^2-4t-45. The length of the rectangle is t+5. What is the expression for the width of the field?
A) t-9
B) t-5
C) t-11
D) t-7

Can someone please help? Thank you!

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  1. its A) t-9

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  2. thank you so much!

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  3. a. t - 9

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