1) 6^(3x) = 1/2166^(3x) = 6^(-3)3x = -3x = -1
2) 0,5^(x^2-5,5) * √0,5 = 320.5^(x^2 - 5.5) = 32 / √0.50.5^(x^2 - 5.5) = 64x^2 - 5.5 = log(0.5)64x^2 - 5.5 = 6x^2 = 11.5x = ±√11.5
3) log6(14-4x) = log6(2x+2)14 - 4x = 2x + 26x = 12x = 2
4) log7(x^2-10x+10) = 0x^2 - 10x + 10 = 7^0x^2 - 10x + 10 = 1x^2 - 10x + 9 = 0(x - 9)(x - 1) = 0x = 9 or x = 1
5) √(7x-3) = √(3x-7)7x - 3 = 3x - 74x = -4x = -1
6) √(5x + 6) = x5x + 6 = x^2x^2 - 5x - 6 = 0(x - 6)(x + 1) = 0x = 6 or x = -1
7) x + 3 = √(2x + 9)(x + 3)^2 = 2x + 9x^2 + 6x + 9 = 2x + 9x^2 + 4x = 0x(x + 4) = 0x = 0 or x = -4
1) 6^(3x) = 1/216
6^(3x) = 6^(-3)
3x = -3
x = -1
2) 0,5^(x^2-5,5) * √0,5 = 32
0.5^(x^2 - 5.5) = 32 / √0.5
0.5^(x^2 - 5.5) = 64
x^2 - 5.5 = log(0.5)64
x^2 - 5.5 = 6
x^2 = 11.5
x = ±√11.5
3) log6(14-4x) = log6(2x+2)
14 - 4x = 2x + 2
6x = 12
x = 2
4) log7(x^2-10x+10) = 0
x^2 - 10x + 10 = 7^0
x^2 - 10x + 10 = 1
x^2 - 10x + 9 = 0
(x - 9)(x - 1) = 0
x = 9 or x = 1
5) √(7x-3) = √(3x-7)
7x - 3 = 3x - 7
4x = -4
x = -1
6) √(5x + 6) = x
5x + 6 = x^2
x^2 - 5x - 6 = 0
(x - 6)(x + 1) = 0
x = 6 or x = -1
7) x + 3 = √(2x + 9)
(x + 3)^2 = 2x + 9
x^2 + 6x + 9 = 2x + 9
x^2 + 4x = 0
x(x + 4) = 0
x = 0 or x = -4