College Math - Factoring Polynomials

Factor: 8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)

Factor: 39y⁵ + 12y⁴ - 3y³

• 3y(13y⁴ + 4y³ - y²)

• 3y³(13y² + 4y - 1)

• y³(39y² + 12y - 3)

• not factorable

Factor: k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Factor: k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

Factor: n²-13n+40

• (n-5)(n-8)

• (n+5)(n-8)

• (n-5)(n+8)

• (n+6)(n+1)

Factor: 81 - 25x²

• (9 - 5x)(9 +5x)

• (5x + 9)(5x - 9)

• (5x - 9)(5x - 9)

• (9 - 5x) (9 - 5x)

Factor: x² + 81

• Prime

• ( x - 9 ) ( x + 9 )

• ( x + 9 ) ( x + 9 )

• ( x - 9 ) ( x - 9 )

Factor:  $49x^2-144$ 

•  $\left(7x-12\right)^2$  

•  $\left(7x+12\right)^2$  

•  $\left(7x-12\right)\left(7x+12\right)$  

•  $\left(4x+11\right)^2$  

Factor:  $x^2-18x+81$  

•  $\left(x-9\right)^2$  

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

•  $\left(x+9\right)^2$  

•  $\left(x+18\right)\left(x-18\right)$  

Tags

CCSS.HSA.APR.C.4

Factor: 20x³-25x²+4x-5

• (5x²-5)(4x+1)

• 5(x²-1)(4x+5)

• (5x²+1)(4x-5)

• (5x²+1)(4x-1)