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-3 and -5

Please say the detailed steps.

@experimentX can u explain the direct solution and step? I didn't get it.

But should we do the graph for solving this? Is der no direct method?

Its ok. But without graph, I want to solve this. please say some other way.

Can u do and say?

can you simplify this equation?
(x+3)^4 + (x+5)^4 - 16 =0

Not getting exactly. But can we apply Neumark and Ferrari-Langrange method for solving?

well i guess you can

\[(x+3)^4+(x+5)^4-16=0 \]\[2 (x+3) (x+5) \left(x^2+8 x+23\right)=0 \]

well, that what i mean ..!

Oh yeah, I got the factorisation.

(x2+8x+23) will give you two complex roots, so your real roots are only -5 and -3

Thank you for the medals.

Most welcome

I have not read those concepts. Just completed grade 10. So facing problems.

Ji haan, I solved using trial method, got -5 and -3.

Really? Yeah preparing for IIT