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Ihoromarina
a fost răspuns

ajutati-ma va rog cu o problema!
FIE X, Y, Z DIFERIT DE 0 . EFECTUATI CALCULELE SI REDUCETI TERMENII ASEMENEA:
a)x(x+2)+3x(x-3)+2x la 2 -1
b)2x la 2(3x-1)+3x(x la 2 +x+2)-3x
c)3x la 2(2-x)-x(x la 2 -3x+2) -3(x la 2 -2x+1)

Răspuns :

Potato666
a) xpatrat+2x+3xpatrat-9x+2xpatrat-1= 6xpatrat-7x-1
b) 6x la3 -2xpatrat+3x la3+3xpatrat+6x-3x= 9x la3 +xpatrat+3x = x(9xpatrat+x+3)
c) 6xpatrat-3x la3 -x la3+3xpatrat-2x-3xpatrat+ 6x-3= -4x la3 +6xpatrat+4x-3