Question

x+x^2+x^3=99+99^2+99^3 what is x?​

Answer 1

please follow to support my work

Answer 2

${\pink{\mathfrak{Hola!}}}$

By comparing both sides

${\bf{\large{\blue{ x =99}}}}$

$<marquee behaviour=""direction="up"style="background : maroon">$☺️✅❤️✔️☺️✅❤️✔️