# How do you write x^4-9+3x^2-x^3 in standard form?

${x}^{4} - {x}^{3} + 3 {x}^{2} - 9$
${x}^{4} - 9 + 3 {x}^{2} - {x}^{3}$
$\implies {x}^{4} - {x}^{3} + 3 {x}^{2} - 9$