the question is 144x^2-1=0 please help

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144x^2-1=0

(12x-1)(12x+1)=0

12x=1 or 12x=-1

x=1/12 or -1/12

This is the product of two sums expression

thank you very helpful

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another question is 4(6-9)^3

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4 x -3 x -3 x -3

4 x -27

=-108

directions: solve the system by the substitution method or the addition method

question: 3x+y=12 and 4x+3y=11

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