1.

What do we get after factoring 49x2-28xy+.4y2?

A. (7x+2y)<sup>2</sup>
B. (49x-4y)<sup>2</sup>
C. (7x-2y)<sup>2</sup>
D. (7x-28y)<sup>2</sup>
Answer» D. (7x-28y)<sup>2</sup>


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