evaluate a^2 + 3a + 2 when a= -5
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Answer:
a2+3a+2@a=−5
(−5)2+(3)(−5)+2
(−5)2+(3)(−5)+2
=12
Step-by-step explanation:
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Answered by
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Answer:
(3a + 2) (3a - 2)
(a + b ) (a - b ) = a² - b²
(3a + 2) (3a - 2) = (3a)² - (2²)
9a² - 4
Step-by-step explanation:
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