if a ( a + 2 ) = 35 and b ( b + 2 ) = 35 , where a ≠ b , then a + b =
"i . e . if a = 5 then b = - 7 or if a = - 7 then b = 5 but in each case a + b = 5 - 7 = - 2 answer : d"
add(divide(35, const_10), divide(35, divide(35, const_10)))