By definition, a parallelogram is a quadrilateral in which both pairs of opposite sides are parallel. Use this definition in you
r proof.
2 answers:
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Answer:
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Work Shown:
In the second step, I used the difference of squares rule to factor.
The (x-1) terms cancel which allows us to plug in x = 1. We plug this value in because x is approaching 1 from the right side.
