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.
5y(2y-1)+2(2y-1)
10y^{2}+(-5y+4y)-2
10y^{2}+(-y)-2
(10y^{2}-5y)+(4y-2)
(5y+2)(2y-1)
What is the factored form of 3x^{4}+9x^{3}-30x^{2}?
x(3x^{2}+5)(x-2)
3x^{2}(x+5)(x-2)
(3x^{3}+15x^{2})(x-2)
3x^{2}(x^{2}+3x-10)
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.
(x+3) \textrm{ ft}\times (3x+4)\textrm{ ft}
(x-1) \textrm{ ft}\times (3x-12) \textrm{ ft}
(3x-4) \textrm{ ft}\times (x+3)\textrm{ ft}
(3x-3) \textrm{ ft}\times (x-4)\textrm{ ft}
Factor 12x^{2}+5x-2.