Răspuns :
P(x)+ -7x+7=+14x
9x+2x-1 = 11x-1= 10 x
14x+10x=24x
Nush daca e bun sunt n-am facut asa ceva sunt in cls a 8 a :D
9x+2x-1 = 11x-1= 10 x
14x+10x=24x
Nush daca e bun sunt n-am facut asa ceva sunt in cls a 8 a :D
P(X)+X²-5X+7=3X²+2X-1
P(x)=(3x^2+2x-1)-(x^2-5x+7)
P(x)=3x^2+2x-1-x^2+5x-7
P(x)=2x^2+7x-8
P(x)=(3x^2+2x-1)-(x^2-5x+7)
P(x)=3x^2+2x-1-x^2+5x-7
P(x)=2x^2+7x-8