X² + 16x + 64 = 0
x² + 2 * x * 8 + 8² = 0
Now, sing the formula (a + b)² = a² + 2ab + b² , we get,
(x + 8)² = 0
Square rooting on both sides, we get,
x + 8 = √0
x + 8 = 0
x = - 8 <== that's your answer!!!
Its not really hard you just have to explain when like its not really complicated
Answer:
subtraction
Step-by-step explanation:
Step-by-step explanation:
(i hope this helps)
speed=distance/time taken