4-(a+b)2=

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14 + 3 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

4-(a+b)2=

(2-a-b)(2-a+b)

(2-a+b)(2+a-b)

(2-a-b)(2+a+b)

(2-a+b)(2+a+b)