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kondor19780726 [428]
3 years ago
11

Which trinomail is the product of the expression below?

Mathematics
1 answer:
SOVA2 [1]3 years ago
6 0
Foil or something


FOIL
First
Outer
Inner
Last

multipliy

First: k times k=k²
Outer: k times -1=-k
Inner: -3 times k=-3k
Last: -3 times -1=3

add

k²-k-3k+4=
k²-4k+4


B
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