Answer:
x = 0; x = [tex]\frac{-276}{5}[/tex]
Step-by-step explanation:
45x = 25x(57 + x)
45x = 1425x + 25x²
25x² + 1425x - 45x = 0
25x² + 1380x = 0
5x(5x + 276) = 0
[tex]\left \{ {{5x=0} \atop {5x + 276=0}} \right.[/tex]
[tex]\left \{ {{x=0} \atop {x=\frac{-276}{5} }} \right.[/tex]
