Product is -42 and sum is 1
what are the two numbers

The numbers are 7, (-6)

Step-by-step explanation:

Let one number be x

So, other number = 1 - x  

x*(1 -x) = -42

x - x²   = -42

0 = -42 -x +x²

x² - x - 42 = 0

x² + 6x - 7x - 7*6 = 0

x(x + 6) -7 (x + 6) = 0

(x + 6)(x - 7) = 0

x + 6 = 0    ; x - 7 =0

x = -6         ; x = 7

The numbers are 7, (-6)

(n^3 - n)

= n(n-1)(n+1)

since it is divisible by 3 and 2 ,because it is a multiple 3 consecutive number

if, n-1 is odd then n+1 is also odd, then it is a multiple of 9

but if, n-1 is even then n+1 is also even, then it is a multiple of 4

so, largest multiple = max(9*2, 4*3) = max(18, 12) = 18

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9