find the value of 'a' if (x+ 4) is a factor of the polynomial x³ + ax² - 2 X + a + 4
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(-4)^3 + a(-4)^2 - 2(-4) + a + (-4) = 0
-64 + 16a + 8 + a - 4 = 0
-60 + 17a = 0
a = 60/17
-64 + 16a + 8 + a - 4 = 0
-60 + 17a = 0
a = 60/17
Gamattoo:
I'm sorry. It should be 52/17
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