Answer:

Step-by-step explanation:
Hello!
A trinomial is a expression consisting of three different terms
To turn this into a trinomial we multiply everything to each other
<u> 3x </u>
3x * x = 
3x * 10 = 30x
<u> 8 </u>
8 * x = 8x
8 * 10 = 80
Now we put them all together in an equation

Combine like terms

The answer is 
Hope this helps!
3x-9=2x+4
3x-9+9=2x+4+9
3x=2x+13
3x-2x=2x-2x+13
x=13
Check:
3(13)-9=2(13)+4
39-9=26+4
30=30
Answer:29503.49
Step-by-step explanation:
Answer:
He saved 58 last month.
Step-by-step explanation:
All expenses: 625 + 259 = 884
Total earned: 942 - 884 = 58
A- it’s a Pythagorean triple(6, 8, 10)