full factorize 20y^2-5z^2
survey
(3x²-5x+3):(x-2)
The following are the annual incomes (in thousands of dollars) for 25 randomly chosen, U.S. adults employed full-time:
26, 31, 32...
You roll two dice. What is the probability that one of the numbers is even and the other one is odd?
9-3(1/3)
9+9x9
x+9=24
(-1-i).(-1+i)
(-1-i)x(-1+i)
