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secondary 3 | A Maths
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Date Posted: 6 years ago
Views: 226
a=2, b=-3, c=4
Fastest is to use the following substitutions to eliminate one or more letters, and form a set of simultaneous equations:
X = -1,
X = 2 and
X = -2
X = -1,
X = 2 and
X = -2
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