Question

Expand (3q plus 1)whole cube.

Answer 1

Answer:

$(3q+1)^3=27q^3+1+27q^2+9q$

Step-by-step explanation:

Formula used:

$(a+b)^3=a^3+b^3+3a^2b+3ab^2\\\\\\\\Now,\\\\(3q+1)^3\\\\=(3q)^3+1^3+3(3q)^2(1)+3(3q)(1)^2\\\\=27q^3+1+3(9q^2)+9q\\\\=27q^3+1+27q^2+9q\\\\\\(3q+1)^3=27q^3+1+27q^2+9q$

Answer 2

Answer:

SEE ABOVE

Step-by-step explanation:

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