Amir evaluated 5x - (x + 3) 2 for x = 2, as shown. Describe Amir's mistake and find the correct answer.

5 (2) - (2 + 3) 2 = 10 + (-5) 2

= 10 + 25

= 35

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What is the answer to 14 = s+7 I'm checking my answer

Using complete the square to solve (x+7) (x-9) = 25 for x.

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