What are the solutions to the equation roots x^3+13x^2-56x+80 ?

The solutions to the equation roots x^3+13x^2-56x+80 are x\approx-16.65156…

Find the zeros of roots x^3+13x^2-56x+80

The zeros of roots x^3+13x^2-56x+80 are x\approx-16.65156…

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roots

x^{3} + 13 x^{2} - 56 x + 80

x \approx - 16.65156 \dots

Solution steps

x^{3} + 13 x^{2} - 56 x + 80

The roots are the intercepts with the x-axis

(y = 0)

x^{3} + 13 x^{2} - 56 x + 80 = 0

Find one solution for

x^{3} + 13 x^{2} - 56 x + 80 = 0

using Newton-Raphson:

No Solution for

x \in R

x \approx - 16.65156 \dots

The solution is

x \approx - 16.65156 \dots

(x^{2} - 4) (x + 3) = x^{2} + 5 x + 6

7 x^{4} = 20 x^{2}

- 4 x^{3} + 3 x^{2} + 2 x = 0

0 = 4 x^{3} - 4

v^{3} - 4 v = 0

What are the solutions to the equation roots x^3+13x^2-56x+80 ?
The solutions to the equation roots x^3+13x^2-56x+80 are x\approx-16.65156…
Find the zeros of roots x^3+13x^2-56x+80
The zeros of roots x^3+13x^2-56x+80 are x\approx-16.65156…