Question

Ada yg bisa minta tolong bantuin?

Answer 1

(6x○)^3 - 216x^-4
=6^3x○ - 6^3x^-4
=6^3(x○-x^-4)
=6^3(1-1/x^4)
=6^3(x^4/x^4 - 1/x^4)
= 6^3 (x^4 - 1)
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X^4