SOLUTION: Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n. 3x^2+11x-4

Question 125855: Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n.
3x^2+11x-4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n.
3x^2+11x-4
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AC test: Think of two numbers whose product is 3*-4 = =12
and whose sum = 11
The numbers are 12 and -1
---------------------------------
Rewrite the polynomial:
3x^2+12x-x-4
Factor:
3x(x+4)-(x+4)
Factor again:
(x+4)(3x-1)
===================
Cheers,
Stan H.

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