on the occasion of one was it was decided by the secretary of resident welfare association to plant saplings of ashoka tree and mango tree in the locality according to ashoka tree where planted in 3 X + 1 row haven't x to the power 3 + X ^ 2 - 1 trees in each row and mango trees were planted in x minus 3 rows having 2 x to the power 2 + 1 trees in each row so find the total number of tree planted