SOLUTION: Multiply (x - 3)(x + 5)

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Question 393238: Multiply
(x - 3)(x + 5)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Multiplying

(x - 3)(x + 5)

x^2 + 2x - 15 = 0

Note:SUM of the inner product(-3x) and the outer product(5x) = 2x

OR

(x - 3)(x + 5) = x(x+5) -3(x+5) = x^2 + 5x - 3x - 15 = x^2 +2x - 15