What is the limit as x approaches 4 of x^3+6x^2-5x-1 ?

The limit as x approaches 4 of x^3+6x^2-5x-1 is 139

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limit as x approaches 4 of x^3+6x^2-5x-1

x \to 4 lim (x^{3} + 6 x^{2} - 5 x - 1)

139

Solution steps

x \to 4 lim (x^{3} + 6 x^{2} - 5 x - 1)

Plug in the value

x = 4

= 4^{3} + 6 \cdot 4^{2} - 5 \cdot 4 - 1

Simplify

4^{3} + 6 \cdot 4^{2} - 5 \cdot 4 - 1 : 139

= 139

What is the limit as x approaches 4 of x^3+6x^2-5x-1 ?
The limit as x approaches 4 of x^3+6x^2-5x-1 is 139