## Algebra: A Combined Approach (4th Edition)

$a^{2}$ + 12a + 35
(a + 5)( a+ 7 ) FOIL method (a)(a) + (a)(7) + (5)(a) + (5)(7) $a^{2}$ + 7a + 5a + 35 $a^{2}$ + 12a + 35