Question

Find the values of x when y=1

Answer 1

Answer:

it is actually x=-1.1 and 3.1

Step-by-step explanation:

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Answer 2

Answer:

$x=1+\sqrt{5}, 1-\sqrt{5}$

Step-by-step explanation:

1. $x^{2} -2x-4=0$
2. $(x-1)^{2} -1-4=0$
3. $(x-1)^{2} -5=0$
4. $(x-1)^{2} =5$
5. $x-1=\sqrt{5} ,-\sqrt{5}$
6. $x=1+\sqrt{5} , 1-\sqrt{5}$

FINAL ANSWER

$x=1+\sqrt{5} , 1-\sqrt{5}$

In Decimal Form (Rounded to 3 significant figures)

x≈-1.24, 3.24