1)[tex]7^{(x^2-9)} = 1[/tex]texlog(7) = 0[/tex][tex]x^2-9 = 0[/tex][tex]x^2 = 9[/tex][tex]x = 3[/tex] or [tex]x = -3[/tex]
2)[tex]\frac{3^x}{\sqrt{3}} = \frac{1}{9}[/tex][tex]\frac{3^x}{3^\frac{1}{2}} = 3^{-2}[/tex][tex]3^{x-\frac{1}{2}} = 3^{-2}[/tex][tex]x-\frac{1}{2} = -2[/tex][tex]x = -\frac{3}{2}[/tex]
3)[tex]6^{x+3} = \frac{1}{216}[/tex][tex]6^{x+3} = 6^{-3}[/tex][tex]x+3 = -3[/tex][tc]x = -6[/tex]
4)[tex]log(3)x=log(9)36[/tex][tex]log(3)x = 2log(3)6[/tex][tex]log(3)x = log(3)(6^2)[/tex][tex]x = 6^2[/tex][tex]x = 36[/tex]
1)
[tex]7^{(x^2-9)} = 1[/tex]
texlog(7) = 0[/tex]
[tex]x^2-9 = 0[/tex]
[tex]x^2 = 9[/tex]
[tex]x = 3[/tex] or [tex]x = -3[/tex]
2)
[tex]\frac{3^x}{\sqrt{3}} = \frac{1}{9}[/tex]
[tex]\frac{3^x}{3^\frac{1}{2}} = 3^{-2}[/tex]
[tex]3^{x-\frac{1}{2}} = 3^{-2}[/tex]
[tex]x-\frac{1}{2} = -2[/tex]
[tex]x = -\frac{3}{2}[/tex]
3)
[tex]6^{x+3} = \frac{1}{216}[/tex]
[tex]6^{x+3} = 6^{-3}[/tex]
[tex]x+3 = -3[/tex]
[tc]x = -6[/tex]
4)
[tex]log(3)x=log(9)36[/tex]
[tex]log(3)x = 2log(3)6[/tex]
[tex]log(3)x = log(3)(6^2)[/tex]
[tex]x = 6^2[/tex]
[tex]x = 36[/tex]