What are the solutions to the equation -x^3-3x+65=0 ?

The solutions to the equation -x^3-3x+65=0 are x\approx 3.77235…

Find the zeros of -x^3-3x+65=0

The zeros of -x^3-3x+65=0 are x\approx 3.77235…

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- x^{3} - 3 x + 65 = 0

x \approx 3.77235 \dots

Solution steps

- x^{3} - 3 x + 65 = 0

Find one solution for

- x^{3} - 3 x + 65 = 0

using Newton-Raphson:

x \approx 3.77235 \dots

Apply long division:

\frac{- x ^{3} - 3 x + 65}{x - 3.77235 \dots} = - x^{2} - 3.77235 \dots x - 17.23063 \dots

- x^{2} - 3.77235 \dots x - 17.23063 \dots \approx 0

Find one solution for

- x^{2} - 3.77235 \dots x - 17.23063 \dots = 0

using Newton-Raphson:

No Solution for

x \in R

The solution is

x \approx 3.77235 \dots

6 x^{4} - 13 x^{2} + 5 = 0

x^{4} - 5 = 0

x^{3} + 3 x + 4 = 0

x^{4} - 6 x^{2} - 7 = 0

x^{8} + 48 x^{4} - 49 = 0

What are the solutions to the equation -x^3-3x+65=0 ?
The solutions to the equation -x^3-3x+65=0 are x\approx 3.77235…
Find the zeros of -x^3-3x+65=0
The zeros of -x^3-3x+65=0 are x\approx 3.77235…