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1. (2x+7)(x-2)=??
2. (2x+3)(5x-4)=??
URGEEENT !!!VA ROOOG MUUULT !


Răspuns :

1. (2x+7)(x-2)=2x la a doua - 4x+7x+14
2.(2x+3)(5x-4)=10x la a doua -8x+15x-12