How about: 9 times 9 = 81 or 81 times 1 = 81
x2=-81take the square root of both sidessince 81 is negative you need to take 81 times i when i=-1 then solve as the square root of 81. your answer is x=9i
positive times negative equals negative. positive times positive equals positive. negative times negative equals positive
9x9=81
81 times 7 or 7 times 81 equals 567
Negative times a positive equals a negative.
Negative 9 times 9= Negative 81
Negative 81.
A negative times a negative equals a positive A negative times a positive equals a negative A positive times a positive equals a positive
81 * 22 = 1,782
A negative times a negative equals a positive
20.25