Answered

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(45x) = (25x) (57+x)

Sagot :

trxlyangel
Solution is X1 = -276/5, x2 = 0
lilethnguyen

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]

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