# How do you find all the real and complex roots of #2x^5-4x^4-4x^2+5=0#?

Use a numerical method to find approximations:

#x ~~ 2.2904#

#x ~~ 0.925274#

#x ~~ -0.80773#

#x ~~ -0.203974+-1.19116i#

That means that the only possible rational zeros are:

See https://tutor.hix.ai for more details of the method and another example quintic.

By signing up, you agree to our Terms of Service and Privacy Policy

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- How do you find the roots of #x^4-5x^2+4=0#?
- How do you combine like terms for #\sqrt { 16z } + 2\sqrt { 8z } - 3\sqrt { z }#?
- How do you find all the real and complex roots of #z^7+z^4+4z^3+4=0#?
- How do you find all the real and complex roots of #x^5 + 7*x^3 + 3*x + 2 = 0#?
- How do you find all the real and complex roots of #x^7 – x^5 + x^2 – 3x + 3 = 0#?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7