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kasey29 kasey29
  • 29-11-2014
  • Mathematics
Answered

How do you solve the equation by factoring or square roots

Ex: x^2-4x=0

How do you solve the equation by factoring or square roots Ex: x 2-4x=0 class=

Verified Answer :

konrad509
konrad509 konrad509
  • 29-11-2014

\(x^2-4x=0\\ x(x-4)=0\\ x=0 \vee x=4\)

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\(3x^2=48\\ x^2=16\\ x=-4 \vee x=4\\\\ \hbox{or}\\\\ 3x^2-48=0\\ 3(x^2-16)=0\\ 3(x-4)(x+4)=0\\ x=4 \vee x=-4\)

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