Which value of x would make NO ll KJ?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Having a hard time understanding this question (see attachment).

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f