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Aluno
Qual equação a seguir tem raízes 4 e 7 ? Escolha 1 resposta: (A) x2−11x+28=0x^{2}-11 x+28=0x2−11x+28=0 (B) x2−11x−28=0x^{2}-11 x-28=0x2−11x−28=0 (C) x2+11x+28=0x^{2}+11 x+28=0x2+11x+28=0 (D) x2−28x+11=0x^{2}-28 x+11=0x2−28x+11=0
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