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Factorisation of Quadratic Polynomials- Middle Term Splitting

Factorise: x2...

Question

Factorise:
$x^{2} - 4 x + 3$

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Solution

$x^{2} - 4 x + 3 = x^{2} - x - 3 x + 3 = x (x - 1) - 3 (x - 1) = (x - 1) (x - 3)$

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Factorisation of Quadratic Polynomials- Middle Term Splitting

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