Question

64a^3 - 27b^3 - 8c^3 -72abc
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Answer 1

Answer:

$64 {a}^{3} - 27 {b}^{3} - 8 {c}^{3} - 72abc \\ =( 4a - 3b - 2c ) {}^{2}$

hope it helps.

Answer 2

Answer:

(a)³+(3b)³+(2c)³-3(a)(3b)(2c)

using formula

a³+b³+c³-3abc

(a+b+c)(a²+b²+ c²-ab-bc-ca)

(a+3b+2c)(a²+9b²+4c²-3ab-6bc-2ac)