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DOS

100

x² - 16

(x - 4)(x + 4)

200

9x² - 16

(3x + 4) (3x - 4)

300

49x² - 16

(7x - 4)(7x + 4)

400

11x² - 44

11(x - 2)(x + 2)

500

-x³ + 16x

-x(x - 4)(x + 4)

GCF

100

2x² + 3x

x(2x + 3)

200

4x² - 15x

x(4x - 15)

300

6x³ - 24x²

6x²(x - 4)

400

8x⁴ + 12x²

4x²(2x² + 3)

500

3x³ + 3x² + 15x

3x(x² + x + 5)

Mental

100

x² + 6x + 5

(x + 5)(x + 1)

200

x² + 13x - 30

(x + 15)(x - 2)

300

x² + x + 5

Prime

400

-2x² - 10x + 100

-2(x + 10)(x - 5)

500

3x³ + 9x² - 54x

3x(x + 6)(x - 3)

Blankety Blank

100

3x² - 5x - 8

(x + 1)(3x - 8)

200

3x² - 8x - 3

(3x + 1)(x - 3)

300

2x² + 13x - 7

(2x - 1)(x + 7)

400

15x² + 7x - 2

(5x - 1 )(3x + 2)

500

4x² - 5x - 4

Prime

Grouping

100

5x² - 15x + 2x - 6

(5x + 2)(x - 3)

200

3x³ + x² + 12x + 4

(x² + 4)(3x + 1)

300

6x³ + 3x² + 8x + 4

(3x + 4)(2x + 1)

400

2x³ + 7x² + 2x + 7

(x² + 1)(2x + 7)

500

-15x³ - 30x² + 5x + 10

-5(3x² - 1)(x + 2)