Question

.expand using identity​

Answer 1

Answer:

Step-by-step explanation:

• $(3b+2a)^{3}$

• (3b)³+3×(3b)²×(2a)+3×(3b)×(2a)²+(2a)³
• 27b³+18ab²+18a²b+8a³                   (using (a+b)³=a³+3a²b+3ab²+b³

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