Ne1alaq3sLucsa Ne1alaq3sLucsa
  • 02-03-2017
  • Mathematics
contestada

Solve by using the perfect squares method.

4x2 = 100

{–5, 5}


{5}


{-25, 25}


{25}

Respuesta :

mann3ify
mann3ify mann3ify
  • 07-03-2017
the answer is (4x)^2 = 100;((2x))^2 = 100;2x = plus or minus 10;x = + or - 5
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