Evaluate 8a+3b-10+c^28a+3b−10+c ​2 ​​ 8, a, plus, 3, b, minus, 10, plus, c, start superscript, 2, end superscript when a=2a=2a, equals, 2, b=5b=5b, equals, 5, and c=4c=4c, equals, 4.