Question

factorize x²+2√3x -9=0 ​

Answer 1

$= > {x}^{2} + 2 \sqrt{3x} - 9 = 0 \\ = > {x}^{2} - 3 \sqrt{3x} + \sqrt{3x} - 9 = 0 \\ = > x(x - 3\sqrt{3} ) + \sqrt{3} ( x - 3 \sqrt{3} ) \\ = > (x - \sqrt{3} )(x + \sqrt{3} )$

Hope it helps :)