Question

Factor 64xº - 27

(4x2 – 3) (16+*+12x++9)
(84x°- 27) (8x? +24x+729)
(4x? - 3)($x*+1242 +9)

Answer 1

Explanation:

a³-b³=(a-b)(a²+ab+b²)

64x³-27=(4x)³-3³=(4x-3)((4x)²+4x×3+3²)=(4x-3)(16x²+12x+9)