⚠ 8m is read as the product 8*m: for a power, write 8^m ⚠ 4m is read as the product 4*m: for a power, write 4^m The original denominators must be nonzero: m ∈ ℝ \ { 12, 0 } Let's reduce: m -28m2 -4m -m + 28m2 -4m (m -2) -(m + 2)8m2 -4m m -2 -m -28m2 -4m ℹ-2 -2 = -4‖m -m = 0 0 -48m2 -4m -44m·(2m -1) ▶Simplified form: -1m·(2m -1)