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(5x-2)*(3-2x)-10x*(1-x)=9x-6

x*(x-3)+(x-1)*(2-x)=2
 calculati valoare lui x .



Răspuns :

15x-10x²-6+4x-10x+10x²=9x-6
9x-6=9x-6
9x-9x=-6+6       e 0
x²-3x+2x-x²-2+x=2
-3x+2x+x-2=2
-2=2

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