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September 22, 2014

September 22, 2014

Posted by **Peter** on Sunday, February 19, 2012 at 10:36pm.

10^(2x^(2)-5x+11) = 10000

9^(2(x-1)) = √(27)

- Algebra 2 -
**Steve**, Monday, February 20, 2012 at 11:19amjust undo the operations, one by one:

10^(2x^(2)-5x+11) = 10000

take log base 10

2x^(2)-5x+11 = log10000 = 4

2x^2 - 5x + 7 = 0

(2x-7)(x+1) = 0

. . .

9^(2(x-1)) = √(27) = 3^(3/2) = 9^(3/4)

take log base 9

2(x-1) = 3/4

8x-8 = 3

8x = 11

. . .

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