Question

Zredukuj wyrazy podobne .
a)b+a+r+b+a+p+a+p+a=
b)b-a-r-b-a-p-a-p-a =
c)a+2b+3c-4c-5b-6a =
d)a³+2b-a²+3a²-10a³+5 =
e)5x²-x²+y²+y-3-y+(-2)y²+5=
f)13x+7y-10x-4y+5y =
g)90x+3y-x²-9×9x-2y+x² =

Answer 1

a)4+2b+2p+r

b) 4a-2b-2p-r

c)7a+3b-(-1c)

d)7a³+3a+5

e)5x4+(-2)y5+5

f)3x+8y

g)171x+x4+1y

 

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Answer 2

a) b + a + r + b + a + p + a + p + a = 2b+4a+r+2p

b) b - a - r- b - a - p - a - p - a= -4a - r  - 2p

c) a + 2b + 3c - 4c - 5b - 6a = -a - 3b - c

d)a³ + 2b - a² + 3a² - 10a³ + 5 =-9a³ + 2b -2a² +5

e)5x² - x² + y² + y - 3 - y + (-2)y² + 5= 4x² - y² -2

f)13x + 7y - 10x - 4y + 5y = 3x +8y 

g)90x + 3y - x² - 9×9x - 2y +x² =9x - y