When the expression -2x^2 - 10x - 83 is written in the form a(x + d)^2 + e , where a, d, and e are constants, then what is the sum a + d + e?
+36916 -2x^2 - 10x - 83
factor out -2
-2 (x^2+5x) - 83 complete the square for x
-2(x+2.5)2 + 12.5 - 83
-2(x+2.5)2 -70.5
