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2014-10-21T15:16:36+03:00
(4x)²=2⁸
(2²)²·x²=2⁸
2⁴·x²=2⁸
x²=2⁸:2⁴
x²=2⁴
x²=(2²)²
x²=4²
x=4
  • Utilizator Brainly
2014-10-21T15:19:36+03:00
16x^2=256 X^2=72:16 X=4 sau -4 X^2(x la puterea a 2 a)