1. Find two numbers whose sum is 10 and whose product is a maximum Solution Step 1 First number: x Second number: 2 X(8 - x) = 3 k= 4(-1)(0) - (10) 4(-1) 4 -X? + X- = 0 an 5 (x - 5)(x - 5) = 0 First number: Second number:​