Answers

2015-10-09T21:58:05+05:30
(v) a(b + c) = ab + ac. (vi). (vii) (a + b)(c + d) = ac .... Add together 2a + 3b + 4c, -5a - 2b + c, 4a - 5b - 6c [ a - 4b - c ]. 5. ... From 4x - 3y + 2z subtract2x + 2y - 5z [ 2x - 5y + 7z ]. 7. Subtract a ... ab3c5. Grouping like termsgives: a3 a b2 b3 c c5 ... When a = 3, b = and c = -2, a2bc6 = (3)2 (-2)6 = (9) (64) = 144.
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