Answer:
-1 <= x <= 1
Step-by-step explanation:
√((1-2x+x^2)+2-2x^2)
= √((1-x)^2 + 2*(1-x)(1+x) )
điều kiện là 1 - x > =0 và 1+x >=0
giải 2 bất phương trình trên ta thu đc kết ququả
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
<u>Algebra II</u>
- Distance Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (-1, -13)
Point (-1, 21)
<u>Step 2: Find distance </u><em><u>d</u></em>
- Substitute in points [DF]:

- (Parenthesis) Add:

- [√Radical] Simplify:

- [√Radical] Evaluate:

Multiplication Identity property
Answer
(0,6)
y=6
Step-by-step explanation: