+819 Let a and b be the solutions to 7x^2 + x - 5 = 6x^2 - 11x - 2. Compute (a - 4) + (b - 4).
+208 \(7x^2 + x - 5 = 6x^2 - 11x - 2\) is equal to:
\(x^2+12x-3\)
\((a - 4) + (b - 4)\)
is \(a+b-8\)
sum of roots: \(\frac{-b}{a}\)
sum: \(\frac{-12}{1}\)= -12
-12 - 8 = -20
