Question

Wykonaj działania ;D

a. 6(x-4) - 2

b. 2(x+1) -3(x-1)

c. -3(y-2) +4(y+2)

d. 5(x-y-1) -4(x+2)

e. 2(3a+b) -2(a-b)

f. 1/2(4x-4) -2x

g. x(x-1) -3(x < do kwadratu > -x)

h. 5a(a-3) -3a(a-5)

i. 3x( x+ 1/3y) -2y (1/2x-1/2)

pilne ;p

Answer 1

6(x-4)-2=6x-24-2=6x-26

2(x+1)-3(x-1)=2x+2-3x+3=-x+5

-3(y-2)+4(y+2)=-3y+6+4y+8=y+14

5(x-y-1)-4(x+2)=5x-5y-5-4x-8=x-5y-13

2(3a+b)-2(a-b)=6a+2b-2a+2b=4a+4b

1/2(4x-4)-2x=2x-2-2x=-2

x(x-1)-3(xdo2-x)=xdo2-x-3x2+3x=-2xdo2+2x

5a(a-3)-3a(a-5)=5ado2-15-3ado2+15a=2ado2+15a-15

3x(x+1/3y)-2y(1/2x-1/2)=3xdo2+xy-xy+y=3xdo2+y