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Expression Formation

Factorise: 4...

Question

Factorise:
$4 c^{2} + 3 c - 10$

(c + 2) (4 c + 5)

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(4 c + 2) (c - 5)

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(c + 2) (4 c - 5)

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(4 c + 2) (c + 5)

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Solution

The correct option is C $(c + 2) (4 c - 5)$
$F a c t o r i z i n g 4 c^{2} + 3 c - 10, S p l i t 3 c a s : = 4 c^{2} + 8 c - 5 c - 10 = 4 c (c + 2) - 5 (c + 2) = (c + 2) (4 c - 5)$

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