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4x(x+2)-6=3x+7 ajutatima rapid

Răspuns :

4x(x+2)-6=3x+74x²+8-6=3x+7
4x²-3x=7-8+6
4x²-3x=5
1x=5
4*(x+2)-6=3x+7
4x+8-6=3x+7
4x-3x=7-2
x=5