Odpowiedź:
a ) 2 x*(x + 4) - x*(x + 8 ) = x²
2 x² + 8 x - x² - 8 x = x²
x² = x²
L = P
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b ) - 4*(x - 3) *x +2 x² = 2*(6 x - x² )
( - 4 x + 12)*x +2 x² = 12 x - 2 x²
- 4 x² + 12 x +2 x² = 12 x -2 x²
12 x -2 x² = 12 x - 2 x²
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Odpowiedź:
a ) 2 x*(x + 4) - x*(x + 8 ) = x²
2 x² + 8 x - x² - 8 x = x²
x² = x²
L = P
======
b ) - 4*(x - 3) *x +2 x² = 2*(6 x - x² )
( - 4 x + 12)*x +2 x² = 12 x - 2 x²
- 4 x² + 12 x +2 x² = 12 x -2 x²
12 x -2 x² = 12 x - 2 x²
L = P
=======
Szczegółowe wyjaśnienie: