Respuesta :

The expression are:

[tex]\begin{gathered} 1\to3x^2+2x-7 \\ 2\to3x^2+2x-7x^0 \end{gathered}[/tex]

and we know the property that says:

[tex]x^0=1[/tex]

any number with exponent 0 is equal to 1 son in this case bout expressions are equivalents

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