E spans the exspression
-8(2a+7)
The expanded expression of -8(2a+7) is -16a - 56.
To simplify the expression -8(2a + 7), you can use the distributive property. The distributive property states that multiplying a number by a group of terms is the same as multiplying the number by each term individually and then adding the results.
So, to apply the distributive property, you will multiply -8 by each term inside the parentheses:
-8 * 2a = -16a
-8 * 7 = -56
Combining these results, the simplified expression becomes:
-16a - 56