Question

Use mathematics to calculate d="TexFormula1" title=" Ilan \ ang \ asawa \ ni \ Sheryl " alt=" Ilan \ ang \ asawa \ ni \ Sheryl " align="absmiddle" class="latex-formula">
$4x² - 12x + 9 = 0$​

Answer 1

$~~~~~~~4x^2-12x+9=0\\\\\implies (2x)^2-2 \cdot 2x \cdot 3+3^2 = 0\\\\\implies (2x-3)^2 = 0\\\\\implies 2x -3 = 0\\\\\implies x =\dfrac 32$