If a(a + 2) = 99 and b(b + 2) = 99, where a ≠ b, then a + b = Select
A) -2	B) -5	C) -8	D) -10	E) -12
i.e. if a = 9 then b = -11   or if a = -11then b = 9   But in each case a+b = -11+9 = -2   -2nswer: -2
<result>A</result>
If a(a + 2) = 99 and b(b + 2) = 99, where a ≠ b, then a + b =