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2 years ago

8

Can anyone help me please

1 answer:

Lapatulllka [165]2 years ago

5 0

Answer:

x= 3 and x= -3

Step-by-step explanation:

x^2 -9 = 0

Factor x^2-9

(x+3)(x-3)

If x+3=0, then x= -3

If x-3=0, then x= 3

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