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You are about to factor a quadratic equation involving some x_'s, some x'x and a plain number. You see that the sign in front of the x's is negative, and the sign in front of the plain number is positive. This tells you that when you find the two brackets of factors _______

a. they will both contain a minus sign
b. they will both contain a plus sign
c. one will contain a minus sign and
the other will contain a plus sign
d. one will contain 0

I believe the answer is a

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