if one root of the equation 2 x ^ 2 + 3 x – k = 0 is 4 , what is the value of k ?
"we just enter this root into the equation in order to recieve an equation to find the answer ! 2 * 4 ^ 2 + 3 * 4 - k = 0 k = 32 + 12 = 44 the answer is c"
add(multiply(2, power(4, 2)), multiply(3, 4))