In the expression below, a is an integer. 12^3+ax-20 if 3x+4 is a factor of the expession above, what is the value of a
1 answer:
Our function is:
Now, if is a factor of then must satisfy the equation:
So,
Putting
We get,
So, the value of 'a' for the given expression is 1281.
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Step-by-step explanation:
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