1-4h^2-12hk-9k^2 factorisation please help thank you

asked Apr 1, 2018 72.1k views

4 votes

1-4h^2-12hk-9k^2 factorisation

please help thank you

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1-4h^2-12hk-9k^2
-(4h^2+12hk-(1-9k^2))
-(4h^2+12hk-(1^2-(3k)^2))
-(4h^2+12hk-(1+3k)(1-3k))
-4h^2-12hk+(1+3k)(1-3k)

GilLevi answered Apr 8, 2018

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