Factoring by Grouping Box Method

Factor 28x² + 63x + 12x + 27 by grouping. Remember to look for common factors first.

• (4x + 3)(7x + 9)

• (7x + 3)(4x + 9)

• (3x + 7)(4x + 9)

• (9x + 4)(3x + 7)

Factor by grouping:

x³-5x²+5x-25

• (x²-5)(x-5)

• (x²+5)(x-5)

• (x²+5)(x+5)

• (x²-1)(x-25)

Factor by grouping:
3x³-x²+6x-2

• (x²+2)(3x+1)

•  (x²+2)(3x-1)

• (3x³+6x)(x²-2)

• none of the aboe

Mathematical Equivalence

ON

Mathematical Equivalence

ON

When factoring, the first thing you look for is ​ (a)   . If there are two terms, try to factor by using ​ (b)   If there are three terms, try to factor by using ​ (c)   If there are four terms, try to factor by using ​ (d)  

• GCF

• DOTS

• Trinomial a*c & b

• Grouping (Chop it)

Factor by grouping:

• (5x²-5)(4x+1)

• 5(x²-1)(4x+5)

• (5x²+1)(4x-5)

• (5x²+1)(4x-1)

Factor by grouping:

x³+7x²-2x-14

• (x²-2)(x-7)

• (x²+2)(x-7)

• (x²+2)(x+7)

• (x²-2)(x+7)