a)3x+2(x-3)= 3x+2x-6=5x-6b)-y+5(2y+1)=-y+10y+6=4y+6c)2a-3(2y+5)=2a-6y+15 d)-5x-2(x+4)=-5x-2x+8=-7x+8e)y-3(2y+5)=y-6y-2=-5y-2f)3a-1-2(3a-6)=3a-1-6a+12=-3a-11 g)5x+4-3(x-6)=5x+4-3x+18=2x+22 h)2a-3(a-9)=2a-3a+27=-1+27i)-3z+2-4(2z-3)=-3z+2-8z+12=-11z+14j)2y+4(1-3y)=2y+4-12y=-10y+4k)(-4x+5y-6z-8)razy(-2x)=------------------------------- l)3a(1-2a+3b)=3a-6a²+ 9ab ł)-2x(x-8y+7)=-3x+16xy-14x = -17x+16xym)3xy(4x-5y-6)= 12 x² y - 15xy² - 18xyn)2(3x-4y+5)-3(-6x+5y-7) =6x-12y+10 + 18x -15y+21=24x - 27y +31o)x(3x-4)-9(x²-4x) = 3x² - 4x -9x² + 36xp)3(a+b)-4(a-b)-5(2a-4b)= 3a+3b -4a+4b -10a+20b = -11a +27b r)2(17a-16b+5)-3(a-19b-11)= 34a-32b +10 -3a+57b +33=31a -25+43 s)4a(2a-3b+9c-12)=8a² - 12ab + 36ac -48 a
a) 3x+2(x-3) = 3x+2x-6 = 5x-6
b)-y+5(2y+1) = -y+10y+5 = 9y+5
c)2a-3(2y+5) = 2a-6y-15
d)-5x-2(x+4) = -5x-2x-8 = -7x-8
e)y-3(2y+5) = y-6y-15=-5y-15
f)3a-1-2(3a-6) = 3a-1-6a+12=9a+11
g)5x+4-3(x-6)=5x+4-3x+18=8x+22
h)2a-3(a-9)=2a-3a+27=27-a
i)-3z+2-4(2z-3)=-3z+2-8z+12=-11z+14
j)2y+4(1-3y)=2y+4-12y=4-10y
k)(-4x+5y-6z-8)razy(-2x) = 8x^2 - 10xy +12xz + 16x
l)3a(1-2a+3b) = 3a -6a^2 + 9ab
ł)-2x(x-8y+7)= -2x^2 +16xy - 14x
m)3xy(4x-5y-6)=12x^2y - 15xy^2 - 18xy
n)2(3x-4y+5)-3(-6x+5y-7) = 6x-8y+10 + 18x -15y +21 = 24x - 23y + 31
o)x(3x-4)-9(x²-4x)= 3x^2 - 4x - 9x^2 + 36x = 32x - 6x^2
p)3(a+b)-4(a-b)-5(2a-4b)= 3a + 3b - 4a + 4b - 10a + 20b = 27b - 11a
r)2(17a-16b+5)-3(a-19b-11)= 34a - 32b + 10 - 3a + 57b + 33 = 31a + 25b + 43
s)4a(2a-3b+9c-12) = 8a^2 - 12ab + 36ac - 48a
Jeśli jest jakiś błąd to sorry , ale mogłem się pogubić przy tylu przykładach .
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a)3x+2(x-3)= 3x+2x-6=5x-6
b)-y+5(2y+1)=-y+10y+6=4y+6c)2a-3(2y+5)=2a-6y+15
d)-5x-2(x+4)=-5x-2x+8=-7x+8
e)y-3(2y+5)=y-6y-2=-5y-2f)3a-1-2(3a-6)=3a-1-6a+12=-3a-11
g)5x+4-3(x-6)=5x+4-3x+18=2x+22
h)2a-3(a-9)=2a-3a+27=-1+27
i)-3z+2-4(2z-3)=-3z+2-8z+12=-11z+14
j)2y+4(1-3y)=2y+4-12y=-10y+4
k)(-4x+5y-6z-8)razy(-2x)=-------------------------------
l)3a(1-2a+3b)=3a-6a²+ 9ab
ł)-2x(x-8y+7)=-3x+16xy-14x = -17x+16xy
m)3xy(4x-5y-6)= 12 x² y - 15xy² - 18xy
n)2(3x-4y+5)-3(-6x+5y-7) =6x-12y+10 + 18x -15y+21=24x - 27y +31
o)x(3x-4)-9(x²-4x) = 3x² - 4x -9x² + 36x
p)3(a+b)-4(a-b)-5(2a-4b)= 3a+3b -4a+4b -10a+20b = -11a +27b
r)2(17a-16b+5)-3(a-19b-11)= 34a-32b +10 -3a+57b +33=31a -25+43
s)4a(2a-3b+9c-12)=8a² - 12ab + 36ac -48 a
a) 3x+2(x-3) = 3x+2x-6 = 5x-6
b)-y+5(2y+1) = -y+10y+5 = 9y+5
c)2a-3(2y+5) = 2a-6y-15
d)-5x-2(x+4) = -5x-2x-8 = -7x-8
e)y-3(2y+5) = y-6y-15=-5y-15
f)3a-1-2(3a-6) = 3a-1-6a+12=9a+11
g)5x+4-3(x-6)=5x+4-3x+18=8x+22
h)2a-3(a-9)=2a-3a+27=27-a
i)-3z+2-4(2z-3)=-3z+2-8z+12=-11z+14
j)2y+4(1-3y)=2y+4-12y=4-10y
k)(-4x+5y-6z-8)razy(-2x) = 8x^2 - 10xy +12xz + 16x
l)3a(1-2a+3b) = 3a -6a^2 + 9ab
ł)-2x(x-8y+7)= -2x^2 +16xy - 14x
m)3xy(4x-5y-6)=12x^2y - 15xy^2 - 18xy
n)2(3x-4y+5)-3(-6x+5y-7) = 6x-8y+10 + 18x -15y +21 = 24x - 23y + 31
o)x(3x-4)-9(x²-4x)= 3x^2 - 4x - 9x^2 + 36x = 32x - 6x^2
p)3(a+b)-4(a-b)-5(2a-4b)= 3a + 3b - 4a + 4b - 10a + 20b = 27b - 11a
r)2(17a-16b+5)-3(a-19b-11)= 34a - 32b + 10 - 3a + 57b + 33 = 31a + 25b + 43
s)4a(2a-3b+9c-12) = 8a^2 - 12ab + 36ac - 48a
Jeśli jest jakiś błąd to sorry , ale mogłem się pogubić przy tylu przykładach .