Question

$\frac{3 {x}^{2} }{4} - 15x = 0$
pfv
gente
s2​

Answer 1

$\frac{3x^2}{4}-15x=0$

$\frac{3x^2}{4}-\frac{60x}{4}=0$

$\frac{3x^2-60x}{4}=0$

$3x^2-60x=0.4$

$3(x^2-20x)=0$

$x^2-20x=\frac{0}{3}$

$x^2-20x=0$

$x(x-20)=0$

$x_1=0$

$x_2-20=0$

$x_2=20$

$S=\{0,\ 20\}$