Answer:
x < -6
Step-by-step explanation:
quick explanation: when you transfer (-9) to the other side it becomes +9.
Therefore, -15+9= -6
Answer:
5x^2 + xy + 20
Step-by-step explanation:
Begin with 5x^2+3xy+12, Subtracting 2xy yields 5x^2 + xy + 12. Next, subtracting -8 yields 5x^2 + xy + 12 - (-8), or 5x^2 + xy + 20
Answer:
- 7/10
Step-by-step explanation:
There you go hope alls well.
So for this, we can simplify √63 as such:

Using the simplified version of √63, we can solve it:

Zero is your final answer.