Factoring Cubic Expressions

Factor: 30x²+15x + 18x + 9

• (5x² - 3)(6x + 1)

• (5x + 9)(2x + 1)

• 3(5x²+3)(2x-1)

• (15x + 9)(2x + 1)

Factor x³+125

• (x+5)(x²-25)

• (x-5)(x²+25)

• (x+5)(x²-5x+25)

• (x-5)(x²+5x+25)

Tags

CCSS.HSA.APR.C.4

Factor n³-27

• (n-3)(n²+9)

• (n+3)(n²-9)

• (n+3)(n²-3x+9)

• (n-3)(n²+3x+9)

Tags

CCSS.HSA.APR.C.4

Factor 125-r³

• (5-r)(25-r+r²)

• (r-5)(r²+5r+25)

• (5-r)(25+5r+r²)

• (5+r)(25-5r+r²)

Tags

CCSS.HSA.APR.C.4

Factor 8z³+125

• (2z+5)(4z²-25)

• (2z+5)(4z²+10z+25)

• (2z+5)(4z²-10z+25)

• 4z+5)(2z²-5z+25)

Tags

CCSS.HSA.APR.C.4

Factor completely 8x⁴+x

• (2x²+1)(4x²-2x+x)

• x(2x+1)(4x²-2x+1)

• (2x²+x)(4x²-2x+1)

• (2x²+1)(4x²-2x)