When ax2 + 7x + 12 is divided by x – 3, the remainder is 51. Find a
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Answer:
a = 2
Step-by-step explanation:
If f(x) is divisible by x - 3, f(3) = 51.
9a + 21 + 12 = 51
9a + 33 = 51
9a = 18
a = 2
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