zekefall4 zekefall4

17-07-2020
Mathematics

contestada

(Please help)

Solve by factoring, show all work:

2x^2+9−5=0

Respuesta :

dannielle dannielle

17-07-2020

Answer:

Step-by-step explanation:

2x^2+4=0

2(x^2+2)=0

x^2+2=0

x^2=-2

x=✓2*i or x=-✓2*i where i=✓-1

Answer Link

MrSolution MrSolution

17-07-2020

Answer:

[tex]\pm\sqrt{2}i[/tex]

Step-by-step explanation:

[tex]2x^2+9-5=0\\x^2-2=0\\x^2=-2\\x=\pm\sqrt{2}i[/tex]

Done!

Answer Link

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