It is - 15 a ^ 2 + 21 a.
You use distributive property
Answer:
Read and Visualize.
Step-by-step explanation:
The first thing we do with a multi-step word problem is read it slowly and visualize what is happening. This first step is about using our good reading comprehension strategies. I ask students to close their eyes and imagine the events as they take place.
1) 525/3=175
2) 175/35=5
Answer - 5
Answer:
<h2>(-1, 17)</h2>
Step-by-step explanation:
The vertex form of a quadratic equation:
<em>(h, k)</em> - vertex
<em>use (a + b)² = a² + 2ab + b² </em><em>(*)</em>
<em>h = -1, k = 17</em>