Zad 8(bez postawiania wartości)
Zad 11 i 12
PILNE
a) 4a^2-4ab+b^2-1/4a^2-4a^2-b^2
b) 3(1-3x+9x^2)-9x^2+25-2(9x^2+12x+4)=3-6x+18x^2-9x^2+25-18x^2-24x-8=20-30x-9x^2
11.
a)x^3-3x^2+3x-1+8-12x+6x^2-x^3=3x^2-9x+7
b) 8-12x+6x^2+x^3+2x^3-6x^2+6x-1=7-6x+3x^3
c)x^3+1+1-3x+3x^2-x^3=2-3x+3x^2
d)3x^3-24-x^3-9x^2-27x-27=-52+2x^2-9x^2-27x
e)x^3+12x^2+48x+64-64+x^3=2x^3+12x^2+48x
f)5+3x+3x^2+x^3-5+3x-3x^2+x^3-6=2x^3
f)5+3x+3x^2+x^3-5+3x-3x^2+x^3-6
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a) 4a^2-4ab+b^2-1/4a^2-4a^2-b^2
b) 3(1-3x+9x^2)-9x^2+25-2(9x^2+12x+4)=3-6x+18x^2-9x^2+25-18x^2-24x-8=20-30x-9x^2
11.
a)x^3-3x^2+3x-1+8-12x+6x^2-x^3=3x^2-9x+7
b) 8-12x+6x^2+x^3+2x^3-6x^2+6x-1=7-6x+3x^3
c)x^3+1+1-3x+3x^2-x^3=2-3x+3x^2
d)3x^3-24-x^3-9x^2-27x-27=-52+2x^2-9x^2-27x
e)x^3+12x^2+48x+64-64+x^3=2x^3+12x^2+48x
f)5+3x+3x^2+x^3-5+3x-3x^2+x^3-6=2x^3
11.
a)x^3-3x^2+3x-1+8-12x+6x^2-x^3=3x^2-9x+7
b) 8-12x+6x^2+x^3+2x^3-6x^2+6x-1=7-6x+3x^3
c)x^3+1+1-3x+3x^2-x^3=2-3x+3x^2
d)3x^3-24-x^3-9x^2-27x-27=-52+2x^2-9x^2-27x
e)x^3+12x^2+48x+64-64+x^3=2x^3+12x^2+48x
f)5+3x+3x^2+x^3-5+3x-3x^2+x^3-6
b) 3(1-3x+9x^2)-9x^2+25-2(9x^2+12x+4)=3-6x+18x^2-9x^2+25-18x^2-24x-8=20-30x-9x^2
a) 4a^2-4ab+b^2-1/4a^2-4a^2-b^2