Calculus Examples

$\sum_{i = 0}^{4} 8 i - 5 i^{2}$

Step 1

Expand the series for each value of $i$ .

$8 \cdot 0 - 5 \cdot 0^{2} + 8 \cdot 1 - 5 \cdot 1^{2} + 8 \cdot 2 - 5 \cdot 2^{2} + \dots + 8 \cdot 4 - 5 \cdot 4^{2}$

Step 2

Simplify the expanded form.

$- 70$