Question

a³-9b³+(a+b)³ what is answers?
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Answer 1

Answer:

heyaa!!

Step-by-step explanation:

Given:

a^3 - 9b^3+(a+b)^3

Formula:

$(a + b)^{3} =a^{3} + 3a^{2}b + 3ab^{2} + b ^{3}$

Solution:

a^3 - 9b^3+(a+b)^3

=> a^3 - 9b^3+(a^3 +3a^2b+3ab^2 +b^3)

=> 2a^3 +3a^2b + 3ab^2 - 8b^3

The answer is 2a^3 +3a^2b +3ab^2-8b^3

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