Tasha is planning an expansion of a square flower garden in a city park. If each side of the original garden is increased by 7 m, the new total area of the garden will be 144 m². Find the length of each side of the original garden.
x - the length of each side of the original garden A = x² ( x + 7 )² = 144 /√ x + 7 = 12, or x + 7 = - 12; x = 12 - 7 x = 5 ( another solution in negative ) Answer: C ) 5 m
