Factor by grouping (sometimes called the ac-method).
10x²-3x-4
First, choose a form with appropriate signs.
Then, fill in the blanks with numbers to be used for grouping.
Finally, show the factorization.
Form:
O
O
10x + 0x + 0*-4
2
10x +
0*- 0*-4
2
10x
10x²
O 10x
x +
- 0*- 0x-4
Factorization:
0
X