Which expression is prime?
a) x2 - 9
b) 1 - 9x2
c) 2a2 - 25
d) 4x2 - 9...
Mathematics, 02.09.2019 08:50, lusciousl
Which expression is prime?
a) x2 - 9
b) 1 - 9x2
c) 2a2 - 25
d) 4x2 - 9
Answers: 1
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