Question

(x-1) (x-3) (x-5) (x-7) - 65 factorise ​

Answer 1

Answer:

$( {x}^{2} - 3x - x + 3)( {x}^{2} - 7x - 3x + 21) \\ ( {x}^{2} - 4x + 3)( {x}^{2} - 10x + 2) \\ {x}^{4} - {10x}^{3} + 2 {x}^{2} - {4x}^{3} + {40x}^{2} - 8x + {3x}^{2} - 30x + 6 \\ {x}^{4} - {14x}^{3} + {45x}^{2} - 38x + 6$

Answer 2

Answer:

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