Q3 Factorise

(VIII)

10 ab + 4a + 5b + 2

Answers (1)

We have,
               10 ab + 4a + 5b + 2  = 2a(5b + 2) + 1(5b + 2)
                                                         = (5b + 2)(2a + 1)
Therefore,
                 10 ab + 4a + 5b + 2= (5b + 2)(2a + 1)

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