hmelanie714 hmelanie714
  • 12-12-2018
  • Mathematics
contestada

What are the solution(s) to the quadratic equation x2 – 25 = 0?

Respuesta :

jimrgrant1 jimrgrant1
  • 12-12-2018

Answer:

x = - 5 or x = + 5

Step-by-step explanation:

x² - 25 ← is a difference of squares

and factors as

(x - 5)(x + 5) = 0

equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 5 = 0 ⇒ x = - 5


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