Question

For questions 4–5, what is a simpler form of the following expressions?
4. Multiply. (2n2 + 5n + 4)(2n – 4) (1 point)
4n3 – 2n2 + 28n – 16
4n3 + 12n2 – 2n – 16
4n3 + 2n2 – 12n – 16
4n3 + 18n2 – 28n – 16
5. Multiply. (2n + 2)(2n – 2) (1 point)
4n2 – 4
4n2 – 4n – 4
4n2 + 2n – 4
4n2 + 4n – 4
6. The area of a rectangular painting is given by the trinomial x2 + 4x – 21. What are the possible dimensions of the painting? Use factoring. (1 point)
x + 7 and x + 3
x – 7 and x + 3
x – 7 and x – 3
x + 7 and x – 3

Answer 1

5.4n2-4

Answer 2

4. 4n3 + 2n2 – 12n – 16

Answer 3

There is no need to belittle her. She's just confused.

Answer 4

are you serious?

Answer 5

@ash2326

Answer 6

For question 4 and 5, if you use the foil method, you should be able to find your answer.

Answer 7

@Preetha

Answer 8

@joannaxox3