Question 604628
expanding both sides ___ 3x^2 - 21x = 2x^2 - 6x - 56


subtracting ___ x^2 - 15x + 56 = 0


factoring ___ (x - 8)(x - 7) = 0


x - 8 = 0 ___ x = 8


x - 7 = 0 ___ x = 7