Factorize (2a+b)²-3(a+b)²
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Answer:Let 2a+b=a
Factorizing a
2
+5a+6,
Split 5a as:
=a
2
+3a+2a+6
=a(a+3)+2(a+3)
=(a+3)(a+2)
=(2a+b+3)(2a+b+2)
Step-by-step explanation:
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