Question

Q1. Add: 3x² - 4xy - 8y², 6xy - 9x² - 3y², 8y² - 6xy - 5x²
Q2. Subtract 4a³ - 6b⁴ + 7a²b³ from 11b⁴ - 7a³ - 9a²b³
Q3. Subtract the sum of a² + 2b² - c² and 3b² +5c² - 9a² from the sum of 11a² - 7b² - 3c² and 2a² +
13b² + 16c²
Q4. Simplify: -6x²y³(4xy² - 5x³y⁵)
Q5. Find the product and then find the value if x = -2 and y = 3,
3x²y(4x³y² - 2xy³) + 8xy





plz be fast thanks.



plz be fast thanks

Answer 1

Answer:

please ask one of the questions separate I'll then answer

Answer 2

Answer:

. Add: 3x² - 4xy - 8y², 6xy - 9x² - 3y², 8y² - 6xy - 5x²

Q2. Subtract 4a³ - 6b⁴ + 7a²b³ from 11b⁴ - 7a³ - 9a²b³

Q3. Subtract the sum of a² + 2b² - c² and 3b² +5c² - 9a² from the sum of 11a² - 7b² - 3c² and 2a² +

13b² + 16c²

Q4. Simplify: -6x²y³(4xy² - 5x³y⁵)

Q5. Find the product and then find the value if x = -2 and y = 3,

3x²y(4x³y² - 2xy³) + 8xy

plz be fast thanks.

plz be fast thanks