Question

x2 - 7x + 3x - 21 = 0 = x (x-7)+36-1) = 0
(x-7)(x + 3) = 0 = = 7.
45. Let the numbers be x and x - 8. Then,
(x + x - 8) = 35 = 2x - 8 = 280 = 2x = 288 => x=144
8
• The numbers are 144 and 136.​

Answer 1

don't know

Explanation:

dont know sorry