Question

please please answer my question fast but you can take the time not more than half an hour​

Answer 1

Answer:

1. 7x

2. m³+5m+3

3. 9ab

4. -14x²

5. 4x

6. a. (3x+2y-5z) + (2x-5y+2z)

3x+2y-5z+2x-5y+2y

3x+2x+2y-5y-5z+2z

5x-3y-3z

b. (4x²-5xy+3y²)+(-6x²-4xy+2y²)+(-2xy-4y²-3x²)

4x²-5xy+3y²-6x²-4xy+2y²-2xy-4y²-3x²

4x²-6x²-3x²-5xy-4xy-2xy+3y²+2y²-4y²

-5x²-11xy+1y²

c. 1a²b+(-7a²b)+3a²b+(-2a²b)

1a²b-7a²b+3a²b-2a²b

-5a²b

7. a. -8x²-16x²

-24x²

b. -9/4ab²-(-3/2)ab²

{-9-(-6)/4}ab²

-9+6/4ab²

-3/4ab²

c. (3ml-2l²-2m²)-(5m²-7lm+5l²)

3ml-2l²-2m²-5m²+7lm-5m²

3ml+7ml-2l²-5l²-2m²-5m²

10ml-7l²-7m²

8. a. 15x-3x+7x

12x+7x

19x

b. c²d+3c²d³+5c³d³-2c³d³

4c²d³+3c³d³

Step-by-step explanation:

there are many questions sorry I am not able to solve all questions

Answer 2

Answer:

oh I don't know sorry

I am really really really sorry ❤️

pls mark me brainliest I really appreciate it