Question 395655
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Hi, Previously posted
3x^2 + x - 2 = 0   |After factoring, the factors must represent the original
factoring to a product (__ ±  __)(  ±  __) Note: 2*-1 = -2 or -2*1 = -2
 (3x ±  __)(x  ±  __)   |3x and x need to be in the 1st spots
 (3x ±  __)(x  ±  __)   | 2 and 1 need to go into one or the other of 2nd spot blanks
 (3x -2)(x+1)=0        |this arrangement works for the + and - using the 2 and 1
 Noting: The SUM of the inner product(-2x) and the outer product(3x) = x

CHECKING our Answer
 3x(x+1) - 2(x+1) = 3x^2 + 3x - 2x - 2 = 3x^2 + x - 2

 (3x -2)(x+1)=0    | x = 2/3 or x = -1