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OpenStudy (anonymous):
is this equation PRIME? 1X^(2) + 10X + 9 = 0
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OpenStudy (anonymous):
No. Think about the factors of 9: 1x9, 3x3. Does 1+9 or 3+3=10?
OpenStudy (yuki):
do you know how to decide whether it is prime or not ?
OpenStudy (anonymous):
yeha didn't think of 1 and 9 *smacks head*
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