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What is the root of x ^ 3 + lgx = 18
What is the root of x ^ 3 + lgx = 18
x^3+lgx=18
x=2
8 + 0.30 = 8.318, the value of lgx basically does not affect the value of X, which will not be discussed later,
x=2.5
x^3=15.62518
x=(2.5+2.75)/2=2.6
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