Ashleytorres00000viz
Answered

SOLVE.Perform the indicated operation.

1. x²-5x-7
+ 6x²-5x+6

2. 6x²-7x+1
- 6x²-x-1

3. 7a³-a+11
+ a³-2a²-5

4. 12x³-2x²-x+3
+ x³+x-10

5. 5y³+2y²-8
- y³-3y²+7y​

Sagot :

Delacruzcharlesadriaviz

Step-by-step explanation:

1. x²-5x-7

+ 6x²-5x+6

2. 6x²-7x+1

- 6x²-x-1

3. 7a³-a+11

+ a³-2a²-5

4. 12x³-2x²-x+3

+ x³+x-10

5. 5y³+2y²-8

- y³-3y²+7y