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Sagot :
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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