Question

Find the roots for quadratic equation: x

2 – 4 = 0​

Answer 1

Answer:

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Step-by-step explanation:

Answer is 2-4= -2

Answer 2

$x^{2} -4=0\\x^{2} =4\\\\x=\sqrt{4} = 2$

hence, the zeros of this equations are 2 and 2