Question

Find a positive value of the given variable so that the trinomial is factorable.

5x*2+8x+c; c=?

A. 4
B. 3
C. 8
D. 9

Answer 1

+-13, +-8, +-7 These are the possible sums of the factor pairs of 12 b is the sum of the factors used to multiply to get 12 for the C value.

Explanation: