A) (7x10^5)x(3x10^2) in standard form b) (2x10^5)/(4x10^2) in standard form

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.

How do i do this activity, is appreciated

What are the exclude value of mn+3m