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simplificati prin x-2 raportul x² + 5x - 14 / 4- x²

Răspuns :

x²+5x-14/4-x²=x²+7x-2x-14/-(x²-4)=x(x+7)-2(x+7)/-(x-2)(x+2)=(x-2)(x+7)/-(x-2)(x+2)=x+7/-(x+2)