Question

help please

Answer 1

4. Multiply. Give your answer in standard form.

(3n2 + 2n + 4)(2n – 1) (1 point)
6n3 + n2 + 6n – 4
6n3 + 7n2 + 6n – 4
6n3 – n2 + 10n – 4
6n3 + n2 + 10n – 4
5. Multiply. (3x + 5)(3x – 5) (1 point)
9x2 – 30x – 25
9x2 + 30x + 25
9x2 – 25
9x2 + 25
6. The area of a rectangular painting is given by the trinomial x2 + 2x – 15. What are the possible dimensions of the painting? Use factoring. (1 point)
(x + 5) and (x – 3)
(x + 5) and (x + 3)
(x – 5) and (x – 3)
(x – 5)and (x + 3)