Complete the square and please show work
x^2+10x

x = -10, 0

Step-by-step explanation:

Step 1: Write quadratic

x² + 10x = 0

Step 2: Complete the Square

x² + 10x + 25 = 25

(x + 5)² = 25

Step 3: Square root both sides

x + 5 = ±5

Step 4: Subtract 5 on both sides

x = -5 ± 5

x = -10, 0

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.