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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