aloanys26
aloanys26
24-04-2020
Mathematics
contestada
Factor the expression
X^2-9
Respuesta :
elliottou
elliottou
24-04-2020
Answer:
(x+3)(x-3)
Step-by-step explanation:
x²-b² = (x+b)(x-b)
x²-9 = x²-3² = (x+3)(x-3)
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