HELP QUICK it is for Geometry

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1