(20a³- 16 a²b + 4b²) by 4a²b² divide
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Answer:
Step-by-step explanation:
Simplify it by grouping method
16(a+b)^2-4a-4b
=16(a+b)^2-4(a+b)
=4(a+b) [ 4(a+b) -1 ]
= 4(a+b) [ 4a+4b-1 ]
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