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Find all roots of the polynomial\( f(x)=x^4-5x^3+5x^2+17x-42\)

 Jun 2, 2021
 #1
avatar+2205 
+2

(x-2)(x+3)(x^2-4x+7)

That's the factored form. 

Can you take it from here?

 

=^._.^=

 Jun 2, 2021
 #2
avatar+52 
+1

I got \(2,-3,2+i\sqrt{3}, 2-i\sqrt3\) but the website said it was wrong

ThanksForAllHelp  Jun 2, 2021
 #3
avatar
+1

Should be (x + 2)(x - 3)(x^2 - 4x + 7).

 Jun 2, 2021

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