Factoring Completely Lesson

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

Factor by GCF:
17xy - x

• 17(xy - x)
• y(17x - x)
• x(17y - 1)
• not factorable

Factor: 8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)

Factor: 4b⁵+4b³+16b²

• 4b³(b⁴+b²+4b)

• 4b³(b⁴+4b+5)

• 4(b⁵+b³+4b²)

• 4b²(b³+b+4)

Factor: x⁴ - 36

• (x + 6)(x - 6)

• (x + 3)(x - 3)(x² + 6)

• cannot be factored

• (x² - 6)(x²+ 6)

Factor: x⁴ - 81

• (x² - 9)(x² + 9)

• (x - 3)²(x + 3)²

• (x - 3)(x + 3)(x² + 9)

• (x - 3)⁴

Factor: k⁴ - 10k² - 39

• (k² - 13)(k² + 3)

• (k - 13)(k + 3)

• (k² + 15)(k² - 3)

• (k + 13)(k - 3)

Factor Completely: 16q³-48q²+36q

• 4q(2q-3)²
• 4q(2q+3)²
• 4(4q³-12q²+9q)
• 4q(2q-3)(2q+3)

Factor Completely: x⁴-9x²

• x²(x+3)(x-3)
• (x²+3x)(x²-3x)
• (x²+9)(x-3)(x+3)
• x²(x²-9)

Factor completely: 2x³+14x²-16x

• 2x(x+8)(x-1)
• (2x+8)(x-1)
• 2x³(x+1)(x-16)
• (x-16)(x+2)