Sorry to disagree but I think the answer is flower-tops. The poem is about nature yes but the term heads seems to refer to the flower-tops as the topic was daffodils. This is personification as if the daffodils were humans that could dance.
Answer:
<h3> -5x • (3x - 2)</h3>
Explanation:
<h3> (1): "x2" was replaced by "x^2". </h3><h3>
</h3><h3>
</h3><h3>The Equation at the end of step 1
</h3><h3> 10x - (3•5x2)
</h3><h3> </h3><h3>
</h3><h3>Pulling out like terms
</h3><h3> 3.1 Pull out like factors :
</h3><h3>
</h3><h3> 10x - 15x2 = -5x • (3x - 2) </h3><h3>
</h3><h3>Final result :
</h3><h3> -5x • (3x - 2)</h3>
The difference between observation and data is that observation is whatever you noticed happening such as, something dissolved or changed form or melted. Data is what ever measurements you made or took. Data is the actual information but observation is what you are seeing not whats actually involved.