Question

factorisation of (1-5x-36x²)​

Answer 1

$\huge \bf \: 1 - 5x - {36x}^{2} \\ \\ \tt = > 1 + 4x - 9x - {36x}^{2} \\ = > \tt 1(1 + 4x) - 9x(1 + 4x) \\ = > \tt \red{( 1 - 9x)(1 + 4x) }$

Answer 2

Step-by-step explanation:

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