Sample Test Item 8 (2003)

2003-item8.png

Because this expression multiplies two x-terms, the solution must have an x-squared term. Choice A is eliminated.

Because the expression is not a perfect square, there must be an x-term in the solution. Choice B is not possible.

Only Choices C and D are possible. Looking at the x-term, we see that 7x - 4x = 3x.

Thus, Choice D is our solution.

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