1.wykonaj mnozenie
a) 3(x+2y-5)
b)-8(-3-7y+2x)
c) 5x^2(x^3+3x-1)
2.wykonaj mnozenie i zredukuj wyrazy podobne
a)2x(x-2y+4)-5x
b)2(3x-2y+3z)-5(x-y-z)
c)5(a-2b-1)-3(a-5b)
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1.
a) 3(x+2y-5)= 3x+6y-15
b)-8(-3-7y+2x)= 24+56y-16x
c) 5x^2(x^3+3x-1)= 5x^5+15x^3-5x^2
2.
a)2x(x-2y+4)-5x= 2x^2-4xy+8x
b)2(3x-2y+3z)-5(x-y-z)= 6x-4y+6z-5x+5y+5z=x+y+11z
c)5(a-2b-1)-3(a-5b)= 5a-10b-5-3a+15b= 2a+5b-5
1. a) 3x+6y-15
b) 24+56y-16x
c)5x^2(x^3+3x-1)= 5x^5+15x^3-5x^2
2. a) 2x^3-4xy+20x-5x^2+10xy-20x= 2x^3+6xy-5x^2
b) 6x-4y+6z-5x+5y+5z= x+y+11z
c) 5a-10b-5-3a+15b= 2a+5b-5