Factorise:

$3 - 5 x + 5 y - 12 (x - y)^{2}$

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Solution

$3 - 5 x + 5 y - 12 (x - y)^{2} l e t x - y = a \Rightarrow 3 - 5 x + 5 y - 12 (x - y)^{2} \Rightarrow 3 - 5 a - 12 a^{2} \Rightarrow 3 - 9 a + 4 a - 12 a^{2} \Rightarrow 3 (1 - 3 a) + 4 a (1 - 3 a) \Rightarrow (1 - 3 a) (3 + 4 a) \Rightarrow (3 + 4 x - 4 y) (1 - 3 x + 3 y)$

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Similar questions

3 - 5 x + 5 y - 12 {(x - y)}^{2}

y^{2} + 5 y - 24

y^{2} - 5 y - 24

5x-3y=1

2x+5y-19=0

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