UnderWaterSander1 UnderWaterSander1
  • 17-03-2016
  • Mathematics
contestada

x squared minus 169 equals zero what is the value of x

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Аноним Аноним
  • 17-03-2016
x² - 169 = 0 
x = ?

 Add 169 to both sides.

x² − 169 + 169 = 0 + 169x² = 169
Square root
 
x = ± √169

x = 13 or x = −13

x can be 13 or -13.
Answer Link
Divyankasc
Divyankasc Divyankasc
  • 17-03-2016
x²-169 = 0
Factorizing it,
(x+13)(x-13) = 0

Therefore,
x = ±13
Answer Link

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