Respuesta :
Answer:
±5
Step-by-step explanation:
Given equation ,
=> x² - 25 = 0
=> x² - 5² = 0
=> ( x +5)(x-5) = 0
=> x = ±5
Answer:
x = -5 or 5
Step-by-step explanation:
→ Factor the quadratic
( x + 5 ) ( x - 5 )
→ Equate each bracket to 0
x + 5 = 0 and x - 5 = 0
→ Solve each for x
x = -5 or 5