A square, if its adjacent sides are increased by 6 cm, you can get a new square, the area of the new square is 120 square cm larger than the original square. Find the area of the original square

A square, if its adjacent sides are increased by 6 cm, you can get a new square, the area of the new square is 120 square cm larger than the original square. Find the area of the original square

Let the length of the original square be x cm, according to the meaning of the title: 6x + 6x + 6 × 6 = 120, & nbsp; & nbsp; & nbsp; 12x + 36 = 120, & nbsp; 12x + 36-36 = 120-36, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 12x = 84, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp