Find the missing term. The roots of x² − ( ) + 34 are 5 ± 3i.

asked Oct 5, 2019 158k views

3 votes

Find the missing term.
The roots of x² − ( ) + 34 are 5 ± 3i.

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3 votes

Answer:

Actually is 10x

Explanation:

-10x gives you -5±3i

Bigbadboybob answered Oct 6, 2019

5.4k points

1 vote

$x^2-?+34=(x-(5+3i))(x-(5-3i))\\\\x^2-?+34=(x-5-3i)(x-5+3i)\\\\x^2-?+34=(x-5)^2+9\\\\x^2-?+34=x^2-10x+25+9\\\\x^2-?+34=x^2-10x+34\\\\\boxed{?=-10x}$

Lacker answered Oct 10, 2019

5.5k points

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