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A rectangle with an area of x2 – 4x – 12 square units is represented by the model. What side lengths should be used to model the rectangle?
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4 votes
A rectangle with an area of x2 – 4x – 12 square units is represented by the model. What side lengths should be used to model the rectangle?

User Charly
by
8.2k points

1 Answer

3 votes
we would factor this
what 2 numbers multiply to get -12 and add to get -4?
-6 and 2
(x-6)(x+2)

the side lengths are (x-6) and (x+2)
User Singlestone
by
8.6k points
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