JI123 JI123
  • 08-09-2018
  • Mathematics
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syahidah
syahidah syahidah
  • 08-09-2018

[tex] - 4\sqrt[]{x - 3} = 12 \\ \sqrt{x - 3} = \frac{12}{ - 4} \\ \ \sqrt{x - 3} = - 3 \\ x - 3 = { (- 3)}^{2} \\ x = 12[/tex]
the answer is D
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