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Factorise 1...

Question

Factorise $10 x^{2} - 29 x + 21$

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Solution

$10 x^{2} - 29 x + 21 (Given) = 10 x^{2} - 15 x - 14 x + 21 = (2 x - 3) (5 x - 7) ∴ 10 x^{2} - 29 x + 21 = (2 x - 3) (5 x - 7)$

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