GCA, Expansion and factorization of algebraic expression

Factorise x²+4x

• x(x+4)
• 4x(x+1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factorise 2x+8

• 2(x+4)
• 2(x+8)

Tags

CCSS.7.EE.A.1

Expand  $3x(4+y)$  . 

•  $12x-3xy$  

•  $12x+3xy$  

• I don’t know 😓

Tags

CCSS.HSA.APR.A.1

Expand  $-4y(2x+3)$  .

•  $-8xy-12y$  

•  $-8xy+12y$  

• I don’t know 😓

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

Expand  $2x(y+z)+3x(2y+z)$  . 

•  $x(8y+5)$  

•  $8yx+6z$  

•  $5xz+8xy$  

• I don’t know 😓

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

expand and simplify  $-x\left(2x-y\right)+2x\left(y-3x\right)$  

•  $-8x^2+3xy$  

•  $-4x^2+xy+y^2$  

•  $-4x^2+3xy$  

•  $8x^2+3xy$  

Tags

CCSS.7.EE.A.1

Expand -5b(a+3).

• -5ab+5b

• -5ab+15b

• -5ab-15b

• -5ab+3b

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

Simplify 8x-2-5x+4.

• 3x+2

• 3x-2

• 6x-1

• 3x-7

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify a(2-b)+a.

• 2a² - ab

• 2a - ab

• 3a - ab

• 3a - 2b

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factorise 8m + 32m²n.

• 8(m+4m²n)

• 8m(1+4mn)

• 8m(1+n)

• 4m(2+8mn)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3