Review of Factoring- GCMF, difference of squares, trinomials

Factor:
56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

x² - 9

• (x + 3) (x - 3)

• (x - 3) (x - 3)

• (x + 3) (x - 6)

• Can't factor using Diff. of Squares

Factor
r² -16r + 60

• (r - 15)(r + 4)

• (r - 6)(r + 10)

• (r - 6)(r - 10)

• (r +30)(r - 2)

Factor completely: 
3x² + 18x +15
Hint: Factor GCF first.

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Factor by GCF:
17xy - x

• 17(xy - x)

• y(17x - x)

• x(17y - 1)

• not factorable

4a² - 25

• (2a + 5) (2a - 5)

• (2a - 5) (2a - 5)

• (x + 5) (x - 5)

• Can't factor using Diff. of Squares

Fully Factor the Following
25x²-81

• (5x-9)²

• (5x+9)(5x-9)

• 25(x-9)²

• (9x+5)(9x-5)

Factor
x²+12x+35

• (x+5)(x+7)

• (x+4)(x+3)

• (x+7)(x-5)

• Prime

Factor Trinomial Completely:
2x² + 12x + 16

• 2(x + 8)(x + 6)

• (2x + 4)(2x + 2)

• 2(x + 2)(x + 4)

• 2(x² + 6x + 8)

Factor:
p² - 14p

• p(1 - 14)

• 2p(p - 7)

• p²(1-14)

• p(p - 14)