Problema Solution

the dimensions of a rectangular garden were 7 meters by 12 meters. each dimension was increased by the same amount. the garden then had an area of 126 meters squared. Find the dimensions of the new garden.

Answer provided by our tutors

From the beginning we find the area of ​​the first garden 7*12=84

Then substitute the value of the area of the second. 126

(7+x)*(12+x)=126

7x*12x=126

X=2

Answer: 9 and 14