Consider: 4(30) = 120 then, consider various ways to multiply two numbers together to get 120: 1 120 note: 1 + 120 = 121 2 60 ...
Consider: 4(30) = 120 then, consider various ways to multiply two numbers together to get 120: 1 120 note: 1 + 120 = 121 2 60 ...
x^2 4x -5 x x^3 4x^2 -5x 3 3x^2 12x -15 Answer: x^3 + (4x^2 + 3x^2) + (-5x + 12x) -15 = x^3 + 7x^2 + 7x - 15
just as log(100) = 2, because 10^2 = 100 (10 being the base of the COMMON log), so also we have 10^k = 7