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Solve : X² – 16 = 0 - Mathematics

Sum

Solve : x² – 16 = 0

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Solution

`x^2 - 16 = 0`

`=> x^2 - 4^2 = 0`

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

Since x + 4 = 0 or x - 4 = 0

then x = -4 or x = 4

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