What are the solutions to the equation t^3+2t=400 ?

The solutions to the equation t^3+2t=400 are t\approx 7.27758…

Find the zeros of t^3+2t=400

The zeros of t^3+2t=400 are t\approx 7.27758…

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t^{3} + 2 t = 400

t \approx 7.27758 \dots

Solution steps

t^{3} + 2 t = 400

Move

400

to the left side

t^{3} + 2 t - 400 = 0

Find one solution for

t^{3} + 2 t - 400 = 0

using Newton-Raphson:

t \approx 7.27758 \dots

Apply long division:

\frac{t ^{3} + 2 t - 400}{t - 7.27758 \dots} = t^{2} + 7.27758 \dots t + 54.96327 \dots

t^{2} + 7.27758 \dots t + 54.96327 \dots \approx 0

Find one solution for

t^{2} + 7.27758 \dots t + 54.96327 \dots = 0

using Newton-Raphson:

No Solution for

t \in R

The solution is

t \approx 7.27758 \dots

9 x - x^{3} = 0

12 x^{5} = 20 x^{4} + 8 x^{2} - 16

5.3 \cdot 1 0^{- 9} = (y) (2 y)^{2}

x^{4} - 98715 x^{2} + 1040 = 0

3 x^{3} - 243 x = 0

What are the solutions to the equation t^3+2t=400 ?
The solutions to the equation t^3+2t=400 are t\approx 7.27758…
Find the zeros of t^3+2t=400
The zeros of t^3+2t=400 are t\approx 7.27758…