1_Home+Learning

Home Learning

June 22, 2011

Expand the following binomials.

1. (-3x + 4y) ^ 3 -3x ^ 3 + 3 (-3x) ^ 2 4y + 3 (-3x) 4y ^ 2 + 4y ^ 3

2. ( x + 2y) ^ 8 x ^ 3 + 8x ^ 7 2y + 28x ^ 6 2y ^ 2 + 56x ^ 5 2y ^ 3 + 70x ^ 4 2y ^ 4 + 56x ^ 3 2y ^ 5 + 28x ^ 2 2y ^ 6 + 8x 2y ^ 7 + 2y ^ 8