-3x(x +2 xy + 3y2)(taking 3 Ă x as common fDo Thisactorise (i) 9a-6atorisation by grouping the termsxpression ar +hr+ay+ by: You will find that there is no single common factorto(i) 15 ab-35ab(ii) 7Im 21mnBut the first two terms have the common factor 'x' and the last two terms have theIetus see how we can factorise such an expression.

-3x(x +2 xy + 3y2)(taking 3 Ă x as common fDo Thisactorise (i) 9a-6

1.	-3x(x +2 xy + 3y2)(taking 3 Ă x as common fDo Thisactorise (i) 9a-6atorisation by grouping the termsxpression ar +hr+ay+ by: You will find that there is no single common factorto(i) 15 ab-35ab(ii) 7Im 21mnBut the first two terms have the common factor 'x' and the last two terms have theIetus see how we can factorise such an expression.
Answer» solve it in elimination method