Greatest Common Factoring and Factoring by Grouping

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b²

• 10b³

• 10ab²

• 10b²

Factor by Grouping:
20x³-25x²+4x-5

• (5x²-5)(4x+1)

• 5(x²-1)(4x+5)

• (5x²+1)(4x-5)

• (5x²+1)(4x-1)

Factor by Grouping:
30x³+15x²-18x-9

• (5x²-3)(6x+1)

• (5x²-3)(6x+3)

• 3(5x²+3)(2x-1)

• 3(5x²-3)(2x+1)

Factor by grouping
x³ - 4x² -4x + 16

• (x+4)(x+2)

• (x-4)(x² -4) 

• (x+4)(x² -4)

• (x-4)(x-2)

Mathematical Equivalence

ON

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)

• (2p²+6)(p+4)

• (4p²+3)(p+2)

• (4p²+8p)(3p+6)

Factor by Grouping:
7r³-8r²+42r-48

• (r²+6)(7r+8)

• (r²+6)(7r-8)

• (r²+6)(r²+8)

• (r²+6)(7r+6)

Complete the factoring.

5x² - 40x will factor to 5x( __ )

• x - 8

• 8 - x

• x² - 8

• 8 - x²

Find the greatest common factor:

-r⁹s⁵ and -rs⁴

• r⁹s⁵

• s⁴

• rs⁴

• r⁹s⁴

Find the greatest common factor of the terms.

12t and 18

• 6t

• 36t

• 6

• 12