Odpowiedź:
4.
a)=5a-3a-6+5=2a-1
b)=-8x+2y+x=-7x+2y
c)=2a-7b+5a-2b=7a-9b
d)=-2x+8y-6x+7y=-8x+15y
e)=-7a-c-4a+2c=-11a+c
f)=5x+4xy+5y-2x+xy+3y=3x+5xy+8y
g)=2x²+3x+4+3x²+5x-1-4x²-x+4=x²+7x+7
1.
a)=15ax
b)=-16y²
c)=12x³
d)=-36p³t
2.
a)=8x-8
b)=6-2k
c)=9x+7-11y
3.
=-a+5+b
7+5+12=24
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Odpowiedź:
4.
a)=5a-3a-6+5=2a-1
b)=-8x+2y+x=-7x+2y
c)=2a-7b+5a-2b=7a-9b
d)=-2x+8y-6x+7y=-8x+15y
e)=-7a-c-4a+2c=-11a+c
f)=5x+4xy+5y-2x+xy+3y=3x+5xy+8y
g)=2x²+3x+4+3x²+5x-1-4x²-x+4=x²+7x+7
1.
a)=15ax
b)=-16y²
c)=12x³
d)=-36p³t
2.
a)=8x-8
b)=6-2k
c)=9x+7-11y
3.
=-a+5+b
7+5+12=24
Szczegółowe wyjaśnienie: