91Ó°ÊÓ

Factor each polynomial by grouping. $$ w b+3 w+12+4 b $$

Factor each polynomial completely. $$4 b^{2}-4 a b+a^{2}$$

Factor each polynomial by grouping. $$ t^{2} a-3 a-3+t^{2} $$

Factor each polynomial using the trial-and-error method. $$ y^{2}+3 y+2 $$

Factor each polynomial using the trial-and-error method. $$ a^{2}+a-30 $$

Factor each polynomial using the trial-and-error method. $$ m^{2}+8 m-9 $$

Factor each polynomial completely. $$m^{2}+4 m-21$$

Factor each polynomial using the trial-and-error method. $$ 2 b^{2}+5 b-3 $$

Factor each polynomial using the trial-and-error method. $$ 2 x^{2}-9 x+4 $$

Factor each polynomial using the trial-and-error method. $$ 3 x^{2}-17 x-6 $$