What are the solutions to the equation 4x^3+2x-16=0 ?

The solutions to the equation 4x^3+2x-16=0 are x\approx 1.48257…

Find the zeros of 4x^3+2x-16=0

The zeros of 4x^3+2x-16=0 are x\approx 1.48257…

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4 x^{3} + 2 x - 16 = 0

x \approx 1.48257 \dots

Solution steps

4 x^{3} + 2 x - 16 = 0

Find one solution for

4 x^{3} + 2 x - 16 = 0

using Newton-Raphson:

x \approx 1.48257 \dots

Apply long division:

\frac{4 x ^{3} + 2 x - 16}{x - 1.48257 \dots} = 4 x^{2} + 5.93028 \dots x + 10.79206 \dots

4 x^{2} + 5.93028 \dots x + 10.79206 \dots \approx 0

Find one solution for

4 x^{2} + 5.93028 \dots x + 10.79206 \dots = 0

using Newton-Raphson:

No Solution for

x \in R

The solution is

x \approx 1.48257 \dots

4 x^{3} + 2 x - 12 = 0

z^{10} = 9^{10}

i z^{3} = 8

x^{3} + 4 x^{2} + 3 x + 2

x^{4} - 16 x^{2} = x^{2} + 18

What are the solutions to the equation 4x^3+2x-16=0 ?
The solutions to the equation 4x^3+2x-16=0 are x\approx 1.48257…
Find the zeros of 4x^3+2x-16=0
The zeros of 4x^3+2x-16=0 are x\approx 1.48257…