Mailan D.
asked 10/28/17
Multiply vertically.
Carol H.
answered 10/28/17
Experienced Mathematics Tutor w/ Master's Degree in Math
3x2 + 2x - 1
5x + 1
15x3 + 10x2 - 5x
3x2 + 2x - 1
15x3 + 13x2 -3x -1
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