Mathematics, 26.06.2019 19:00 palomaresmitchelle

Subject algebra 1 if $y=3x^{2} + x^{2} -5$ and $z=x^{2} -12$ which polynomial is equivalent to $2(y+z)$ ?

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Subject algebra 1 if [tex]y=3x^{2} + x^{2} -5[/tex] and [tex]z=x^{2} -12[/tex] which polynomial is e...