Factorisation of a Quadratic Expression with a Constant Term
Factorisation of a Quadratic Expression with a Constant Term
IP 1
TGM Original Questions
Factorise \(9{{m}^{2}}-6mn+{{n}^{2}}-81\) completely
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Answer:\(\left( 3m-n+9 \right)\left( 3m-n-9 \right)\)
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