The roots of $7x^2 + x - 5 = 0$ are $a$ and $b.$ Compute $(a - 4)(b - 4).$
https://web2.0calc.com/questions/help-please_52172#r3
The roots of 7x^2 + x - 5 = 0 are \(\frac{-1 \pm \sqrt{141}}{14}\)
Plugging these in, you get (a - 4)(b - 4) = 115/7.
It's not correct :(