Math, asked by boorgalavinay9068, 5 months ago

Who do you factorise 9a2-9ab-10b2

Answers

Answered by namanburad11

Step-by-step explanation:

$9 {a}^{2} - 9ab - 10 {b}^{2} \\9 {a }^{2} - 6ab - 4ab - 10 {b}^{2} \\take \: common \: term \: from \: \\ term \: (1and \: 2)and \: (3and \: 4) \\3a(3a - 2b) - 2b(2a - 5b)$

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