Evaluate -8x + 5 - 2 x - 4 + 5 x when x equals two before and after simplifying

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Combine the information in the problem and the chart using the average balance method to solve the problem.