Factorising polynomials

Find the GCF of both 18xy and 54x³?

• 18xy
• 18x
• 6xy
• x

Factor using GCF or monomial factoring:

x² - 5x

• 1(x - 5)

• x(x - 5x)

• x(x - 5)

• x²(1 - 5)

Find the GCF
(greatest common factor) 

 $−28a^6+20a^4−40a^3$  

•  $4a^2$  
  

•  $4a^3$  
  

Factoring

• Finding what to multiply together to get an expression

• The factor that all terms have in common.

• Anything divided by itself is equal to one.

• Any mathematical calculation or formula combining numbers and/or variables using any mathematical operation.

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b²

• 10b³

• 10ab²

• 10b²

 $9x^2+54x\ +\ 81$  

Select all of the common factors.

•  $3$  

•  $9$  

•  $6$  

•  $1$  

•  $2$  
  

Mathematical Equivalence

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What is the greatest common factor of the two terms in the expression x⁵y²+x²y⁷z

• x²
• x²y²z
• x²y²
• x⁵y⁷z

Find the greatest common factor of the polynomial

45a⁶b⁵c³ + 63a⁴b³ + 27a⁴b⁶c²d

• 9a⁴b³

• 3a⁴b³

• a⁴b³c

• 9a⁴b³c²

What is the least common multiple of 7x^2 and 14x^3?

• 14x^3

• 14x^2

• 7x^3

• 7x^2