-4x(2-y) dla x= 0,5 y= -3 oblicz plis :)
- 4x ( 2 - y )
x = 0,5
y = -3
- 4x ( 2 - y ) = - 8x + 4xy = -8 * 0,5 + 4 * 0,5 * (-3) = 4 + 2 * (-3) = 4 - 6 = -2
wynik to -2 :)
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- 4x ( 2 - y )
x = 0,5
y = -3
- 4x ( 2 - y ) = - 8x + 4xy = -8 * 0,5 + 4 * 0,5 * (-3) = 4 + 2 * (-3) = 4 - 6 = -2
wynik to -2 :)