Respuesta :

Hrishii

Answer:

[tex] {x}^{2} - 72 = 0[/tex]

Step-by-step explanation:

[tex]the \: standard \: form \: a \: quadratic \: equation \:\\ is \:a {x}^{2} + bx + c = 0 \\ \therefore \: {x}^{2} - 20 = 52 \\ {x}^{2} - 20 - 52 = 0 \\ {x}^{2} - 72 = 0[/tex]

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