Question

the expanded form
(2a+3a)3 is​

Answer 1

$(2a + 3a)3 = (3 \times (2a)) + (3 \times (3a))$

$= (6a + 9a)$

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Answer 2

Step-by-step explanation:

(a+b)^3 = a^3+b^3+3ab×(a+b)

(2a+3a)^3 =(2a)^3+(3a)^3+3×2a×3a×(a+b)

=8a^3+27a^3+18a^2 (a+b)

=a^2 [8a+27a+18a+18b]

=a^2 (53a+18b)

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