Supposw that four times of a number equals 20 times that number. What is the number?

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.

Ineed the solution to this problem and the steps.

Find the average rate of change for the given function drom x=1 to x=2