How do you solve this?
here is an example
can you me with these ones ?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height