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If (5x + 1)3 + (x - 3)3 + 8(3x -...

This question belongs to Arithmetic Ability Algebra
Algebra
?

If (5x + 1)3 + (x - 3)3 + 8(3x - 4)3 = 6(5x + 1)(x - 3)(3x - 4), then x is equal to:

Answer & Solution
Correct Answer: Option A
a3 + b3 + c3 = 3abc
If a + b + c = 0
(5x + 1) + (x - 3) + (6x - 8) = 0
12x - 10 = 0
12x = 10
x = $$\frac{5}{6}$$
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