Answer:
The value of x is 7 and y is 14.
Step-by-step explanation:
The steps are :






Answer:
The answer to your question is below
Step-by-step explanation:
(2x⁴ + 7x³ - 3x + 9) - (6x⁴ - 3x³ - 6x² - 17)
Step 1. take out the parenthesis, in the second term, change the signs
2x⁴ + 7x³ - 3x + 9 - 6x⁴ + 3x³ + 6x² + 17
Step 2. Group like terms
(2x⁴ - 6x⁴) + (7x³ + 3x³) + (6x²) + (-3x) + (9 + 17)
Step 3. Simplify like terms
-2x⁴ + 10x³ + 6x² - 3x + 26
Answer:
PEMDAS
Step-by-step explanation:
parenthesis
Exponents
Multiply
Divide
Add
Subtract
Answer:
The two circles centered at point A are concentric and similar.
Answer:
-24
Step-by-step explanation:
-1(3^2)+(-15)
-9+(-15)
-24