Factor x3 – 8.
Hint
(x)3 – (2)3
Answer
(x – 2)(x2 + 2x + 4)
Factor x3 + 64.
(x)3 + (4)3
(x + 4)(x2 – 4x + 16)
Factor 8x3 – 64y3.
(2x)3 – (4y)3
(2x – 4y)(4x2 + 8xy + 16y2)
Factor 27x3 + 125y3.
(3x)3 + (5y)3
(3x + 5y)(9x2 – 15xy + 25y2)
Factor 216x3 – y3.
(6x)3 – (y)3
(6x – y)(36x2 + 6xy + y2)
Factor 8x3 + 1000y3.
(2x)3 + (10y)3
(2x + 10y)(4x2 – 20xy + 100y2)
Factor 343x3 – 8y3.
(7x)3 – (2y)3
(7x – 2y)(49x2 + 14xy + 4y2)
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