5x^3 - 135

sum and differences in cubes
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2 Answers

me assume that stuf shood be

5x^3-135=0

or 5x^3=135

so x^3=27

kube root(27)=3
by
5(x^3-27)=5(x^3-3^3)=5(x-3)(x^2+3x+9)
by Level 8 User (35.3k points)

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