Answer:x=15
Step-by-step explanation:
You should collect the like terms first
21-6=x
Therefore
X=15
Answer:
The answer is
<h2>3x² - 2x³</h2>
Step-by-step explanation:
First factor (x+1)² out of the expression
That's

Reduce the expression by (x + 1)²
We have

Using trigonometric values table


So we have

Simplify
We have the final answer as

Hope this helps you
Answer:
<em>64 inches tall or 5 feet 3 inches.</em>
Hope this helps you out!