If a(a - 7) = 8 and b(b -7) = 8, where a ≠ b, then a + b = Choose the correct choice from the following answers.
A) −48	B) −2	C) 2	D) 7	E) 48
i.e. if a = -1 then b = 8   or if a = 8 then b = -1   But in each case a+b = -1+8= 
<gadget id="calculator">-1+8</gadget>
<output>7</output>
7   Answer: option 7
<result>D</result>
If a(a - 7) = 8 and b(b -7) = 8, where a ≠ b, then a + b =