If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x^2+(x+8)^2=40
We move all terms to the left:
x^2+(x+8)^2-(40)=0
We move all terms containing x to the left, all other terms to the right
x^2+(x+8)^2=40
| 1/16=64^(9x+5) | | 2(2x)+3x=280 | | 4x+5≤3+6x4x+5≤3=+6x | | (3x+5)-2(3-2x)=23 | | 10p=−30 | | (x−1)5/6=32 | | 1000*3x=30000 | | 5n+(8÷2)=54 | | f+26=427 | | u-535=426 | | c-722=91 | | 951=s+16 | | v-38=116 | | u+368=785 | | k+299=370 | | 53=j-16 | | n-40=24 | | n-40=21 | | h+48=69 | | h+48=60 | | 17=m-20 | | 38=c-7 | | r-14=38 | | h+66=96 | | s-13=19 | | 15=s-79 | | w+7=44 | | 4^x+1=9^x | | 2x-1=9,10x-5 | | 79x10^5x=78 | | 15x15=-225 | | 4c-10=-22 |