Question

solve fast my friends

Answer 1

Hope it helps. Answer is in attachment.

Answer 2

Hi friend,

Here is the answer
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x-3=0
x=+3

Therefore,

=> 2x^2+x+k

= 2 (3)^2+3+k=0
= 2 (9)+3+k=0
= 18+3+k=0
= 21+k=0
= k= -21

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Hope my answer helps you :)

Regards,
Shobana.
^_^