Step-by-step explanation:
Explanation:
9
:
x
as
x
:
4
∴
9
x
=
x
4
x
2
=
36
x
=
±
√
36
x
=
±
6
Step-by-step explanation:
[tex]\tt{ 9:x=x:4 }[/tex] ⠀
[tex]\tt{\dfrac{9}{x}=\dfrac{x}{4} }[/tex] ⠀
[tex]\tt{x×x=9×4 }[/tex] ⠀
[tex]\tt{ x^2=36 }[/tex] ⠀
[tex]\tt{ x=\sqrt{36}}[/tex] ⠀
[tex]\tt{ x=6 ~and~x=-6 }[/tex] ⠀
