381,811 views
36 votes
36 votes
Factor the polynomial by grouping. 6x^2+5x-4 this factors into:(Answer - Answer)(Answer+Answer)

Factor the polynomial by grouping. 6x^2+5x-4 this factors into:(Answer - Answer)(Answer-example-1
User Shanaa
by
2.9k points

1 Answer

13 votes
13 votes

6x^2+5x-4

find the 2 numbers you will multiply to get -24 and sum to get +5. The two numbers are -3 and 8. Therefore,


\begin{gathered} 6x^2-3x+8x-4 \\ 3x(2x-1)+4(2x-1) \\ (3x+4)(2x-1) \\ (2x-1)(3x+4) \end{gathered}

User Marge
by
3.1k points