Answer to Question #92330 in Algebra for joy

Question #92330

• 3∧2x - 4(3∧x+1) + 27 = 0

Expert's answer

"3^{2x}-4*3^{x+1}+27=0".

"3^{2x}-12*3^x+27=0."

"3^x=\\frac{12-\\sqrt{144-108}}{2}\\;\\;or\\;\\;3^x=\\frac{12+\\sqrt{144-108}}{2}"

"3^x=3\\;\\;or\\;\\;3^x=9."

"x=1\\;\\;or\\;\\;x=2."

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