Using Pascal’s Triangle to Expand Binomials

(2x – 3)6. 1x4 + 4x3(-2) + 6x2(-2)2 + 4x1(-2)3 + 1(-2)4 x4 – 8x3 + 24x2 – 32x + 16 . Combination Statement: or alternative notation . Total number of ways to select an unordered group of k items from a total of n items. FACTORIAL (N!): The product of consecutive integers from N to 1. 1) 3! = 3*2*1 = 6. 2) 5! = 5*4*3*2*1 = 120. 3) 6! = 6*5 ... ................
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