Mathematics
a2 + bc + ab + ac is equal to:
(a + b)(a + c)
(a + b)(b + c)
(a + c) (a - b)
(a - b) (b + c)
Factorisation
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Answer
a2 + bc + ab + ac
= (a x a + ab) + (ac + bc)
= a (a + b) + c(a + b)
= (a + b)(a + c)
Hence, option 1 is the correct option.
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