Factorization of a2 +a2 +a+1 is:

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

Factorization of a2 +a2 +a+1 is:

(a-1)(a2+1)

(a+1)(a2+1)

(a+1)(a2-1)

(a2+1)(a2+1)