tsmith192 tsmith192
  • 26-11-2016
  • Mathematics
contestada

the expression square root 5x is equivalent to the expression x square root 5

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mozarth11
mozarth11 mozarth11
  • 26-11-2016
\/(5x) = x\/5
[\/(5x]² = [x\/5]²
5x = 5x²
5x²-5x = 0
5x(x-1) = 0
5x = 0 --> x = 0
x-1 = 0 --> x = 1
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 27-11-2016
√(5x)=x√5
square both sides
5x=5x²
minus 5x both sides
0=5x^2-5x
factor
0=5x(x-1)
set to zero
5x=0
x=0
x-1=0
x=1

x=0 or 1
Answer Link

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