Question

find the zero of xsquare - 4​

Answer 1

Answer:

Step-by-step explanation:

x²-4=0

x²=4

x=±2

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Answer 2

Answer:

-2 and 2 are the Zeroes

Step-by-step explanation:

>> x² - 4 =0

>> x² - 2² = 0

Using Formula a² - b² = (a + b) (a - b)

>> (x + 2) (x - 2) = 0

>> x + 2 = 0

>> x = -2

>> x - 2 = 0

>> x = 2

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