giúp em mấy câu này vs ạ em cần gấp em cảm ơn

`#Zkj `
`9)(x-3)^2=100 `

`=>(x-3)^2=10^2 `

`=>x-3=+-10 `

`TH1:x-3=10 `

`=>x=13 `

`TH2:x-3=-10 `

`=>x=-7 `

Vậy `x∈{13;-7} `

`10)(x-1)^2=9 `

`=>(x-1)^2=3^2 `

`=>x-1=+-3 `

`TH1:x-1=3 `

`=>x=4 `

`TH2:x-1=-3 `

`=>x=-2 `

Vậy `x∈{4;-2} `

`11)(2x-3)^2=64 `

`=>(2x-3)^2=8^2 `

`=>2x-3=+-8 `

`TH1:2x-3=8 `

`=>2x=11 `

`=>x=11/2 `

`TH2:2x-3=-8 `

`=>2x=-5 `

`=>x=-5/2 `

Vậy `x∈{11/2;-5/2} `

`12)(3x-1)^2=16 `

`=>(3x-1)^2=4^2 `

`=>3x-1=+-4 `

`TH1:3x-1=4 `

`=>3x=5 `

`=>x=5/3 `

`TH2:3x-1=-4 `

`=>3x=-3 `

`=>x=-1 `

Vậy `x∈{5/3;-1} `

`13)(x-3)^2=289 `

`=>(x-3)^2=17^2 `

`=>x-3=+-17 `

`TH1:x-3=17 `

`=>x=20 `

`TH2:x-3=17 `

`=>x=-14 `

Vậy `x∈{20;-14} `

`14)(x-1)^2=289 `

`=>(x-1)^2=17^2 `

`=>x-1=+-17 `

`TH1:x-1=17 `

`=>x=18 `

`TH2:x-1=17 `

`=>x=-16 `

Vậy `x∈{18;-16} `

`15)2(2x-3)^2=50 `

`=>(2x-3)^2=25 `

`=>(2x-3)^2=5^2 `

`=>2x-3=+-5 `

`TH1:2x-3=5 `

`=>2x=8 `

`=>x=4 `

`TH2:2x-3=-5 `

`=>2x=-2 `

`=>x=-1 `

Vậy `x∈{4;-1} `

`4(3x-1)^2=256 `

`=>(3x-1)^2=64 `

`=>(3x-1)^2=8^2 `

`=>3x-1=+-8 `

`TH1:3x-1=8 `

`=>3x=9 `

`=>x=3 `

`TH2:3x-1=-8 `

`=>3x=-7 `

`=>x=-7/3 `

Vậy `x∈{3;-7/3} `