Question

a2 + 462 – 3a + 6b – 4ab by grouping method
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Answer 1

Answer:

=( a - 2b )( a - 2b - 3 )

Step-by-step explanation:

Re-arranging :

=>a^2 +(2b)^2 - 2a(2b) - 3(a-2b)

=(a-2b)^2 - 3(a-2b)

=(a-2b){ a-2b - 3 }

=( a - 2b )( a - 2b - 3 )

Hope it helps...