Question

Find the value of x if 12x=34^2 - 26^2

Answer 1

`\boxed{\sf x =40}`

Explanation:

`\sf 12x=34^2 - 26^2`

Solve the square.

`\sf 12x=1156-676`

`\sf 12x=480`

Divide both sides by 12.

`\displaystyle \sf (12x)/(12) =(480)/(12)`

`\sf x =40`