Y^3 * y^5 = y^8. you add the exponents
<h2>Greetings!</h2><h3>When expanding brackets, you simply multiply whatever is inside the brackets by what is outside:</h3>

<h3>Which would result in the answer being:</h3>

<h2>Hope this helps!</h2>
Step-by-step explanation:
AC=AB+BC-cos. AC=100+66-cos. AC=166-0.906. AC=√165.094. AC=12.8
X= -1.769292
For math equations like this i use MathPaPa online and they give answers right away!! or you can you math away.