Algebramedium · Past Paper

Factorize 8x^3 + 27y^3.

A(2x+3y)(4x^2-6xy+9y^2)
B(2x+3y)(4x^2+6xy+9y^2)
C(2x-3y)(4x^2+6xy+9y^2)
D(2x+3y)^3

✓ Correct Answer: A(2x+3y)(4x^2-6xy+9y^2)

Sum of cubes: a^3 + b^3 = (a+b)(a^2-ab+b^2).

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