5xy-10x^2-3x=44x-5y=15
kto mi rozwiaze ten układ rownan
5xy - 10x² - 3x = 4
4x - 5y = 15
5xy - 10x² - 3x =4
-5y = 15 - 4x
y = -3 + ⅘x
5*x*(-3+⅘x)-10*(-3+⅘x)²-3x = 4
-15x+4+30-2x-3x = 4
-15x -2x-3x = 4-4-30
-20x = -30
x = 3/2 = 1,5
x = 1,5
y = -3 + ⅘*³/₂
y = -3 + 1⅕
y = -1,8
1,5 = ³/₂
-1,8 = -⁹/₅
Spr:
4x - 5y = 4 * ³/₂ - 5 * (-⁹/₅) = 6 + 9 = 15
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5xy - 10x² - 3x = 4
4x - 5y = 15
5xy - 10x² - 3x =4
-5y = 15 - 4x
5xy - 10x² - 3x =4
y = -3 + ⅘x
5*x*(-3+⅘x)-10*(-3+⅘x)²-3x = 4
y = -3 + ⅘x
-15x+4+30-2x-3x = 4
y = -3 + ⅘x
-15x -2x-3x = 4-4-30
y = -3 + ⅘x
-20x = -30
y = -3 + ⅘x
x = 3/2 = 1,5
y = -3 + ⅘x
x = 1,5
y = -3 + ⅘*³/₂
x = 1,5
y = -3 + 1⅕
x = 1,5
y = -1,8
1,5 = ³/₂
-1,8 = -⁹/₅
Spr:
4x - 5y = 4 * ³/₂ - 5 * (-⁹/₅) = 6 + 9 = 15