What are the solutions to the equation 2x^2x-3x-20=0 ?

The solutions to the equation 2x^2x-3x-20=0 are x\approx 2.38571…

Find the zeros of 2x^2x-3x-20=0

The zeros of 2x^2x-3x-20=0 are x\approx 2.38571…

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2 x^{2} x - 3 x - 20 = 0

x \approx 2.38571 \dots

Solution steps

2 x^{2} x - 3 x - 20 = 0

Expand

2 x^{2} x - 3 x - 20 : 2 x^{3} - 3 x - 20

2 x^{3} - 3 x - 20 = 0

Find one solution for

2 x^{3} - 3 x - 20 = 0

using Newton-Raphson:

x \approx 2.38571 \dots

Apply long division:

\frac{2 x ^{3} - 3 x - 20}{x - 2.38571 \dots} = 2 x^{2} + 4.77142 \dots x + 8.38324 \dots

2 x^{2} + 4.77142 \dots x + 8.38324 \dots \approx 0

Find one solution for

2 x^{2} + 4.77142 \dots x + 8.38324 \dots = 0

using Newton-Raphson:

No Solution for

x \in R

The solution is

x \approx 2.38571 \dots

(x - 1)^{6} + (x - 2)^{6} = 1

- 6 x^{4} + 5 x^{3} + 6 x^{2} = 11 x + 5

(z^{2} + 7)^{2} + (z^{2} + 7) - 72 = 0

y, x = (y - 1)^{3}

4 x^{3} - 7 x^{2} - 2 x = 0

What are the solutions to the equation 2x^2x-3x-20=0 ?
The solutions to the equation 2x^2x-3x-20=0 are x\approx 2.38571…
Find the zeros of 2x^2x-3x-20=0
The zeros of 2x^2x-3x-20=0 are x\approx 2.38571…