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5(1-2m)

Step 1 Using the crab methodLooking at the first bracket:Multiply x by x to give x²Then multiply x by 6 to give 6xThen move onto 3 Multiply 3 by x to give 3xThen multiply 3 by 6 to give 18 Add ...

(x²+3x+2)(x+3) = x³+3x²+3x²+9x+2x+6 = x³+6x²+9x+2x

7.265

The Binomial distribution is a sequence of N trials which each have a probability, p, of occurring. Each trial is either successful (with probability p) or not. It can be used to give us the probability o...