Question

please answer this question based on its identity​

Answer 1

Answer:

1/4 x^2 -4 =0

x^2 -16 / 4 =0

x^2 -16 =0

(x+4) (x-4) = 0

x = 4 , -4

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Answer 2

$\frac{1x}{4} - 4 \\ (\frac{1}{2} {)}^{2} - 2 {}^{2} \\ ( \frac{1x}{2} - 2)( \frac{1x}{2} + 2)$

Using identity a²-b² = (a+b)(a-b)

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