Algebra L7-6 Quiz v2

What is the factored form of 3x^{4}+9x^{3}-30x^{2}?

Factor the trinomial:

2x^{2}-11x-21

Reorder the following expressions so that the sequence best represents the process of factoring the trinomial 10y^{2}-y-2 by grouping.

1. 10y^{2}+(-5y+4y)-2
2. 5y(2y-1)+2(2y-1)
3. (10y^{2}-5y)+(4y-2)
4. 10y^{2}+(-y)-2
5. (5y+2)(2y-1)

The area of a rectanguar patio is 3x^{2}-15x+12 \textrm{ ft}^{2}. Which of the following could be dimensions of the patio? Select all that apply.

Factor 12x^{2}+5x-2.