Factorising Trinomials and Finding HCF

1)Factor: x² + 6x + 8

• (x + 4)(x + 3)

• (x + 2)(x + 3)

• (x + 4)(x + 2)

• (x + 5)(x + 1)

2) Factor: m² + 8m + 15

• (m + 2)(m +6)

• (m + 1)(m + 7)

• (m + 4)(m + 4)

• (m + 3)(m + 5)

4) Factor: x² - 10x + 16

• (x + 12)(x - 2)

• (x - 4)(x - 6)

• (x + 10)(x - 2)

• (x - 2)(x - 8)

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor
x² - 5x - 36

• (x - 4)(x + 9)
• (x - 6)(x + 6)
• (x + 4)(x - 9)
• (x -12)(x + 3)

Factor
 $x^2-10x+9$  

•  $\left(x-1\right)\left(x-9\right)$  

•  $\left(x+5\right)\left(x+4\right)$  

•  $\left(x-5\right)\left(x-4\right)$  

•  $\left(x+1\right)\left(x+9\right)$  

Factor:
18a²-15a

• 15a(3a-1)
• 3a(6a-1)
• 3(6a-5)
• 3a(6a-5)

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n²)
• 2n³(10-8n²)
• 3n(1-4n)

What is the GCF?

24x³ + 36x²

• 8x

• 6x²

• 12x²

• 4x

• 12x³

Find the GCF of the terms of each polynomial.

72y⁵ + 18y²

• y²

• 4y⁵

• 18y

• 18y²