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Ju8lya5hIann Ju8lya5hIann
  • 25-02-2017
  • Mathematics
Answered

Solve by using the perfect squares method.

(2x + 4)^2 = 64

Question 2 options:


{–1, 5}


{2, –6}


{1, –5}


{–2, 6}

Verified Answer :

Amena2000
Amena2000 Amena2000
  • 25-02-2017

2x+4=sqrt(64)
x=8-4/2
x=-8-4/2

x=2 and x = -6

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