Question

In your notebook, set up the following subtraction in a vertical format and select the correct answer.

Find 2p 2 + 3p - 4 less - 2p 2 - 3p + 4.

4p2 + 6p + 8
4p2 - 6p - 8
4p2 + 6p - 8
0

Answer 1

The answer is C.

Answer 2

`4p^(2) +6p-8`

Explanation:

Remember these rules for addition, substraction, multiplication or division:

Addition

+ + = +

- - = -

Big + number - = +

Big -number + = -

Substraction

change the sign!

And follow the rules for addition

Multiplication or division

+ + = +

- - = +

+ - = -

Now for the exercise

`2p^(2) + 3p - 4`

- (
`- 2p^(2) -3p +4`)

Change the signal

`2p^(2) + 3p - 4`

(
`+2p^(2)+3p-4`)

`4p^(2) + 6p -8`