Question

Calculati:............

Answer 1

Răspuns

Raspuns   2\(x-2)

Explicație pas cu pas:

[(x²-3x)\(x²-4)-(x-3)\(x+2)]\(x-3)\(x+2)=

[x²-3x-(x-2)(x-3)\(x+2)(x-2)]*(x+2)\(x-3)=

[x²-3x-(x²-2x-3x+6)]\(x+2)(x-2)*(x+2)\(x-3)

(x²-3x-x²+2x+3x-6)\(x+2)(x-2)*(x+2)\(x-3)

(2x-6)\(x+2)(x-2)*(x+2)\(x-3)

2\(x-2)