Practice Set 5.1
1. Expand
(1) (a +2)(a - 1)
(2) (m - 4)(m +6) (3) (p + 8)(p-3)
(5) (3x + 4y)(3x + 5y) (6) (9x - 5)(9x + 3t)
(4) (13 + x)(13 - x)
(7)(-+) (--) (8) (+1)(-5)
(2+) (-) (+4)
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