–x2–7x–6=0
x2+7x+6=0
x1=–6; x2=–1
S= ∫^{ -1}_{-6} ((-x^2-6x+4)-(x+10))dx=∫^{ -1}_{-6}(-x^2-7x-6)dx=(-\frac{x^3}{3}-7\frac{x^2}{2}-6x)|^{-1}_{-6}=
=(-\frac{(-1)^3}{3}-7\frac{(-1)^2}{2}-6\cdot (-1))-(-\frac{(-6)^3}{3}-7\frac{(-6)^2}{2}-6\cdot (-6))=\frac{1}{3}-\frac{7}{2}+6-\frac{216}{3}+\frac{252}{2}-36=
=\frac{125}{6}