👤
Johnmyralmoguego
Answered

perform the indicated operation 1. (2x^3 – 3x + 2) + (x^2 – x – 1)
2. (4x^2 + 5x -4) + (2x^2 – 6x + 4)
3. (3m^2 – m – 1) – (2m^2 + 5m – 3)
4. (8m – n) – (7n + m) + 3m​

Sagot :

Mochiesgo

Answer:

1. 2x^3+x^2-4x+1

2. 6x^2-x

3. m^2-6m+2

4. 12m+6n

Step-by-step explanation:

1. 2x^3 – 3x + 2 + (x^2 – x – 1)

2x^3 – 3x + 2 + x^2 – x – 1

2x^3-4x+2+x^2-1

2x^3-4x+1+x^2

2x^3+x^2-4x+1

2. 4x^2+5x-4+(2x^2-6x+4)

4x^2+5x-4+2x^2-6x+4

4x^2+5x+2x^2-6x

6x^2+5x-6x

6x^2-x

3. 3m^2-m-1-(2m^2+5m-3)

3m^2-m-1-2m^2-5m+3

m^2-m-1-5m+3

m^2-6m-1+3

m^2-6m+2

4. 8m-n+7n+m+3m

12m-n+7n

12m+6n

Go Training: Other Questions