Answer:
ima say 6
Step-by-step explanation:
Hey there!
21 + 20 = 41
so x + 21
Hope this helps
Have a great day (:
Answer:
5x³ - 2x²
Step-by-step explanation:
Step 1: Write out expression
4x³ - x² + 4x + x³ - x² - 4x
Step 2: Combine like terms (x³)
5x³ - x² + 4x - x² - 4x
Step 3: Combine like terms (x²)
5x³ - 2x² + 4x - 4x
Step 4: Combine like terms (x)
5x³ - 2x²
Answer:
right, isosceles
Step-by-step explanation: