Students drew a pattern on a piece of paper. the pattern repeats every 12 1/2 inches. the total length of the paper is 24 1/4. how many times did the completed pattern appear?
a) 4
b) 1
c) 47
d) 8

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

step-by-step explanation:

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