Review Factoring Polynomials

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

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Factor Completely:
x² - 36

• (x + 9)(x - 4)

• (x - 6)(x - 6)

• (x - 9)(x + 4)

• (x + 6)(x - 6)

factor completely 
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

Factor completely. 16y² - 25

• (y - 5)(y + 4)

• (4y - 5)(4y - 5)

• (4y + 5)(4y - 5)

• (5 + 4y)(5 + 4y)

Factor:
6x² – 19x – 7 

• (2x +7)(3x – 1)

• (1x – 1)(6x+7)

• (2x – 7)(3x+1)

• (6x – 7)(1x+1)

What is the GCF of the terms below?

• 8x

• 6x²

• 12x²

• 4x

• 12x³

Factor 4b⁵ + 4b³ + 16b².

• 4b²(b³ + b + 4)

• 4(b⁵ + b³ + 4b²)

• 4b³(b⁴ + 4b + 5)

• 4b³(b⁴ + b² + 4b)

Factor 
3x⁴- 12xy

• x(3x³-12y)

• 3x(x³- 4y)

What is the first step when factoring polynomials?

• Find the GCF

• List all the terms

• Make a triangle

• Write the answer

Find the factors of 5m² - 45m + 90

• 3(m + 1)(m + 8)

• 5(m - 3)(m - 6)

• 2(m - 7)(m + 3)

• 5(m - 5)(m + 3)