Question

Sum of numbers ‘ a ‘ and ‘ b ‘subtracted from their product .​

Answer 1

$\textrm{Required Answer = Product of 'a' and 'b' - Sum of 'a' and 'b'}$

$\longrightarrow\textrm{Required Answer = (a \times b) - (a + b) = ab - (a + b) = ab - a - b}$