(x + 2a)(x + 1)
(x + 2a)(x - 1)
(x2 - 1)(x - a)
(x + 2)(x + a)
Correct answer is D
x2+2a+ax+2x
x2+2a+ax+2x
x(x+2)+a(x+2)
(x+2)(x+a)
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