Evaluating definite integrals

Evaluating definite integrals using the fundamental theorem of calculus.

Problem

Evaluate the definite integral.
integral, start subscript, minus, 6, end subscript, start superscript, 8, end superscript, 10, space, d, x, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i