Odpowiedzi

2010-03-10T20:09:23+01:00
A) -4(2x + 0.5)=
-8x-2
b) 3(x² - 2) - (5 - 6x²)=
3x²-6-5+6x²=
9x²-11
c) -3(1-2y) + 1/2(6 - 12y)
-2+6y+3-6y=
1
2010-03-10T20:09:30+01:00
-4(2x + 0.5)=-8x-2
3(x@ - 2) - (5 - 6x@)=3x²-6-5+6x²=9x²-11
-3(1-2y) + 1/2(6 - 12y)=-3+6y+3-6y=0