Solving the differential equation y'=-x²-sin(y)

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Question the problem:

y'=-x^2-sin(y)

please solve the question
thank you
 
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What have you tried?

Where are you stuck?

We are willing to help you solve the problem - we are not here to solve it for you.
 
SammyS said:
What have you tried?

Where are you stuck?
i live in Thailand

We are willing to help you solve the problem - we are not here to solve it for you.

i solve in ODE
step 1. set question dy/dx+P(x)y=g(x)
step 2. P(x)=exp(integrate(F(x))dx)
step 3. x p(x) in 1
but
----->y'=-x^2-sin(y)
----->y'+sin(y)=-x^2 ----1
------>exp(integrate(1)dx
------>exp(x) ----2
x exp(x) in 1

exp(x)y'+exp(x)sin(y)=exp(x)*-x^2 I made ​​up this process safe.
It was not possible to do.ฃ