\(\Leftrightarrow x-\left[25-\left(81-80\right)^{30}\cdot24\right]^3-14=1\)
=>x-[25-24]^3-14=1
=>x-1-14=1
=>x=1+1+14=16
`{x-[5^2-(9^2-16.5)^30 . 24]^3-14}=1`
`=>{x-[25-(81-16.5)^30 . 24]^3 - 14}=1`
`=>{x-[25-(81-80)^30 . 24]^3 - 14}=1`
`=>{x-[25-1^30 . 24]^3 - 14 } =1`
`=>{x-[25-1.24]^3-14}=1`
`=>{x-[25-24]^3-14}=1`
`=>{x-1^3-14}=1`
`=>{x-1-14}=1`
`=>x-1-14=1`
`=>x-1=14+1`
`=>x-1=15`
`=>x=15+1`
`=>x=16`
\(\left\{x-\left[5^2-\left(9^2-16.5\right)^{30}.24\right]^3-14\right\}=1\\ \left\{x-\left[25-\left(81-80\right)^{30}.24\right]^3-14\right\}=1\\ \left\{x-\left[25-1.24\right]^3-14\right\}=1\\ \left\{x-\left[25-24\right]^3-14\right\}=1\\ \left\{x-1-14\right\}=1\\ x-\left(1+14\right)=1\\ x-15=1\\ x=15+1\\ x=16\\ Vậyx=16\)
