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1.a 2^(2x+6) =2°
2x + 6 = 0
x = -3
b. 3^(3x-4)/2 = 3°
(3x-4)/2 =0
3x -4 = 0
x=4/3
c. (5√5)^(-5x-10) = (5√5)°
-5x - 10 =0
x=-2
d. 8 ^(x²-4x-5) = 8°
x²- 4x- 5 =0
(x-5)(x+1)
e. (1/3)^(2x²-7x+6) = (1/3)°
2x²-7x +6 =0
(2x-3)(x-2)
f. 3^(3x-2) =3⁴
3x - 2 = 4
3x = 6
x =2
g. 2^((4x+6)/2) = 2⁴
(4x + 6)/2 = 4
4x + 6 = 8
4x = 2
x=1/2
h. 5^(x-3) = 5⁴
x-3 =4
x=7
I. 9^{(x+3)/2} = 9^(-2)
(x+3)/2 = -2
x + 3 =-4
x= -7
j. 2^(3x²+2x) =2^5
3x² +2x =5
3x² + 2x -5 =0
(3x +5)(x-1)