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aliina [53]
3 years ago
11

Factorise a squared - b squared

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0
(a-b)(a+b) because when you reverse the sum you do axa and ax-b xx
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Suppose 60% of the graduating class in a certain high school goes on to college. If 126 students from this graduation class are
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3 years ago
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The table below shows data for a class's mid-term and final exams:
lina2011 [118]
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2 years ago
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