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4. Which of the following is the factored form of 9x2-4 = 0 ?
a. (3x + 2) (3x + 2) = 0
b. (3x + 2) (3x - 2) = 0
c. (3x2 + 2) (3x - 2) = 0
d. (x + 4)


Sagot :

Answer:

(3x-2)(3x+2)=0

Hope it help

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