SOLUTION: 2(x^2 - 1) - 3(x +5) Simplify. Could some explain?

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Question 270239:
2(x^2 - 1) - 3(x +5)
Simplify. Could some explain?
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
step 1 - distribute the 2 and 3 through to get
2x%5E2+-+1+-+3x+-15
step 2 - combine like terms
2x%5E2+-+3x+-+16