Math Factorisation

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
2x² - 13x - 70

• (2x-7)(x+10)
• (7x+5)(x+2)
• (2x+7)(x-10)
• 2(x+7)(x+10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor completely: 3x² - 7x + 2

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factorise $6x-9$  fully.

•  $3(3-2x)$  

•  $3(2x-3)$  

•  $-3(3+2x)$  

• I don't know 😓

Tags

CCSS.7.EE.A.1

Factorise $xy+cy$  fully.

•  $-y(-c+x)$  

•  $-y(-x+c)$  

•  $y(c+x)$  

• I don't know 😓

Tags

CCSS.7.EE.A.1

Factorise $5x+5y-5z$  fully.

•  $5(-x+y-z)$  

•  $-5(-x-y-z)$  

•  $-5(z-x-y)$  

• I don't know 😓

Factorise $8ab(x-5)-12b(x-5)$  fully. 

•  $-4b(2a-3)(5-x)$ 

•  $8abx-40ab+48bx$ 

•  $-4b(2a-3)(x-5)$ 

• I don't know 😓