Question

$\huge \sf \color{purple}{\underline{\underline{Question}}}$
$\huge\sf \bf {Solve :-}$
$\sf 9x⁴+20=29x²$​

Answer 1

$\huge{\colorbox{pink}{ Answer }}$

9x⁴+20=29x²

20=29x⁴-9x²

20=20x2

X²=1

=>X=1