if x 2 + kx - 3 , is divisible by ( x - 1 ) , what is the value of k
explanation : if x 2 + kx - 3 is divisible by ( x - 1 ) then x = 1 ( 1 ) 2 + 1 ( k ) - 3 = 0 1 + k - 3 = 0 k = 2 answer : option c
subtract(3, power(1, 2))