Factoring by Groups

2x³-8x²-x+4

• (2x²-1)(x-4)

• 2(x²-1)(x+4)

• (x²-1)(2x-4)

• (2x²+1)(x-4)

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)

• (2p²+6)(p+4)

• (4p²+3)(p+2)

• (4p²+8p)(3p+6)

What method should you use to factor the polynomial?

5n³-10n²+3n-6

• Factor by Grouping

• Factor out the GCF

• Difference of Squares

• Master Product

Factor by Grouping: x³ - 4x² -4x + 16

• (x+4)(x+2)(x-2)

• (x-4)(x² -4)

• (x+4)(x² -4)

• (x-4)(x-2)(x+2)

Factor by Grouping:

3x³-x²+6x-2

• (x²+2)(3x+1)

• (x²+2)(3x-1)

• (3x³+6x)(x²-2)

• none of the above

What is the first step of factoring by grouping?

• Do the AM method.

• Split into two separate groups.

• Find a GCF.

• Nothing.

What is a method for factoring?