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Question
factorise: 4c2 + 3c - 10
Sum
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Solution
4c2 + 3c - 10
= 4c2 + 8c - 5c - 10
= 4c (c + 2) - 5(c + 2)
= (c + 2)(4c - 5)
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Factorisation by Grouping
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