Rozwiąż równanie :
5x – x(x – 3) + ( x2 + 3 ) = 3 ( x + 4) – x ( x – 5)
Daje najj : Pozdrawiam
5x-x2+3x+x2+3=3x+12-x2+5x
8x-3x-5x+x2=12-3
x2=9
x= -3 oraz x=3
5x – x(x – 3) + ( x² + 3 ) = 3 ( x + 4) – x ( x – 5)
5x-x²+3x+x²+3=3x+12-x²+5x
x²=9
x=-3 ∨ x=3
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5x-x2+3x+x2+3=3x+12-x2+5x
8x-3x-5x+x2=12-3
x2=9
x= -3 oraz x=3
5x – x(x – 3) + ( x² + 3 ) = 3 ( x + 4) – x ( x – 5)
5x-x²+3x+x²+3=3x+12-x²+5x
x²=9
x=-3 ∨ x=3