Respuesta :

mhanifa

Answer:

  • Lin has provided the correct answer.

Step-by-step explanation:

The equation has two roots as a quadratic equation.

Elena's solution ends up with loss of one of the roots when cancelling the variable.

Lin gets two roots, so she is correct.

Answer:

Lin gave Correct answer

Step-by-step explanation:

Let's solve by ourselves once

  • x²=7x
  • x²-7x=0
  • x(x-7)=0
  • x=0,7[/tex]

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