Question

The squre if certian number is 22 less than 13 times the original number find the number​

Answer 1

⇒Let that number unknown number be represented by letter x.

⇒ Mathematically this can be written as

⇒
`x^(2) =13x-22\\`

Note that this can help you find the unknown value by solving for x

`x^(2) -13x+22=0\\\\(x-11)(x-2)=0\\x-11=0\\or \\x-2=0\\\\x=11\\\\or\\x=2`

Note there are two solutions for this question. the answer is 11 and 2

GOODLUCK!!