Algebra

I have been doing sum of cubes and difference of cubes problems and I just cant figure out these questions...

Sum of Cubes Pattern
a3 + b3 = (a + b)(a2 - ab + b2)
Difference of Cubes Pattern
a3 - b3 = (a - b)(a2 + ab + b2


1. 64x^3 + 1

2. 1-125b^3

3. 8x^3y^6 + 27

4. a^3 b^6 – b^3

5. 27x^3 – 8y^3

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asked by Bongo

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