August 2018 1 15 Report
Doprowadź do najprostrzej postaci i oblicz ich wartości liczbowe:

a)2(-3a-4b)-3(a+2b)+4(2a+3b) dla a= -3 i b= 2

b)-2a(a-3b)+4(b-2a)-3(-5a+3b) dla a= -1 b= -4

c)3(x^2 -5x+2)-4(3+2x+x^2) dla x= -2

d) 2(-2x^2 + 5x -1)-5(2-x-x^2) dla x= 1


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