Equivalent expression to (x +2) (x+9)

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

What is the value of x in the following equation? -3x-2=2x+8

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28