Arectangle has a length of x+7 and a width of x-3. write and expression that represents the area of the rectangle.

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

How can writing phrases as algebraic expressions you solve problems?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.