Which one is not a perfect square trinomial ?
1. a ² +14 a + 49
2. x² - 6 x y + 36 y²
3. x² + 4 x y + 4 y²
the one who answers first correctly gets to be the brainliest. I need the answer NOW!
Answers
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Answer:
a^2+14 a +49
Step-by-step explanation:
a(2×7) +49
= a^2+14a+49
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