Factorise the following expressions — task. Maths CBSE Homework Assignments, Class 8.

Factorise the following expressions:

1. \(20l^2m + 30alm =\)

\(10lm (2a - 3l)\)
\(10lm (2a + 3l)\)
\(10lm (2l + 3a)\)
\(10lm (2l - 3a)\)

2. \(5x^2y - 15xy^2 =\)

\(5xy(3y - x)\)
\(5x(x - 3y)\)
\(5xy(x - 3y)\)
\(5xy(x + 3y)\)

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