If a(a + 5) =6 and b(b + 5) =6, where a ≠ b, then a + b = Choose the correct choice from the following
A) −5
B) −9
C) 2
D) 46
E) 48
i.e. if a = 1 then b = -6   or if a = -6 then b = 1   But in each case a+b = -6+1 = -5   −5nswer: option −5
<result>A</result>
If a(a + 5) =6 and b(b + 5) =6, where a ≠ b, then a + b =