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How can you tell that x2 - 19x + 90 is not a perfect square trinomial?
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How can you tell that x2 - 19x + 90 is not a perfect square trinomial?
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Feb 5, 2021
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How can you tell that x2 - 19x + 90 is not a perfect square trinomial?
Mathematics
high-school
RockerBOO
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Because 19 is a prime number
Anand Jha
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Feb 11, 2021
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Anand Jha
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