Factoring Review

x = -3 and x = 6

x = 3 and x = -6

x = -9 and x = 2

x = 9 and x = -2

x = -4 and x = -5

x = 20 and x = -9

x = 4 and x = 5

x = -4 and x = 5

a = -6, 4

a = 6, -4

a = 12, -2

a = 8, -3

-6, -2

-2, 6

2, 6

-6, 2

$$-\left(x^4-14x^2+45\right)=0$$  

$$-\left(x^4-14x^2-45\right)=0$$

$$-\left(x^2-9\right)\left(x^2-5\right)=0$$  

$$x=\pm3,\ \pm\sqrt[]{5}$$  

$$x=\pm3,\ \pm\sqrt[]{5}i$$

(x² + 3) (2x + 5)

(x² - 3) (2x - 5)

(2x² - 3) (x - 5)

(2x² + 3) (x + 5)

$$16x^2$$  

$$-1$$  

$$\left(16x^2-1\right)$$  

$$\left(4x+1\right)\left(4x-1\right)$$  

$$x\ =3,\ \pm\frac{1}{4}$$  

$$x=\pm3,\ \pm4$$

$$\left(8x+1\right)\left(2x-1\right)$$

$$\left(x+3\right)$$

$$+1$$

4b³(b⁴+b²+4b)

4b³(b⁴+4b+5)

4(b⁵+b³+4b²)

4b²(b³+b+4)

$$9x^2+64$$

$$9x^2-64x$$

$$9x^2-64$$

$$x^3+64$$

$$64x^3-1$$

2n²(n - 4n²)

2n²(1 - 4n)

2n³(10 - 8n²)

3n(1 - 4n)