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Mathematics 8 Online
OpenStudy (anonymous):

What is the factor of 8x^6+27y^3? The answer is (2x^2+3y) Please just explain how this is the answer.

OpenStudy (jdoe0001):

\(\bf 8x^6+27y^3\\ \color{blue}{\text{keep in mind that }a^3+b^3 = (a+b)(a^2-ab+b^2)}\\ 8 \implies 2^3\\ x^6 \implies (x^2)^3\\ 27 \implies 3^3\\ \text{thus then}\\ 8x^6+27y^3 \implies (2x^2)^3+(3y)^3 \)

OpenStudy (jdoe0001):

so plug your terms in the \(\bf (a+b)(a^2-ab+b^2)\) factored form

OpenStudy (anonymous):

@jdoe0001 Thank-You!!! so much!

OpenStudy (anonymous):

:3

OpenStudy (jdoe0001):

yw

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