Respuesta :


Using difference of squares

[tex]a^{2} -b^{2}[/tex] =(a-b)(a+b)

with a = x and b = 3[tex]\sqrt{2}[/tex]i

[tex]x^{2}[/tex] + 18 =(x-3[tex]\sqrt{2}[/tex] i)(x+3[tex]\sqrt{2}[/tex] i)

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