Answers

2016-06-22T22:20:54+08:00
X^2=9/16
get the square root of both sides
sqrt(x^2) = x
sqrt(9/16) = 3/4
answer is x=3/4
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2016-06-22T22:23:19+08:00
    x²   =   9/16
    x    = plus or minus  √(9/16)
    x       =   + 3/4  or  - 3/4
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