Answer:

Step-by-step explanation:
When subtracting polynomials, first start with distributing the negative sign to the second polynomial:

Simplify by combining like terms:

Answer:
can speak
Step-by-step explanation:
She's very clever. She can speak three languages
Answer:
4
Step-by-step explanation:
well, the range for |x| is [0, +♾)
So the range for |x|+3 is [3, +♾)