Factoring Completely

15m² -10m - 25

• 5(m+1) (3m-5)
• (3m-5) (5m+5)
• 5(3m²-2m-5)
• PRIME

   6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

8x³ - 18x

• 2x(4x²-9)                                    
• (4x²+3) (2x-3)
• 2x(2x+3) (2x-3)
• PRIME

4x² + 8x - 60

• (4x-12) (x+5)
• (4x+20) (x-3)
• 4(x-3) (x+5)
• PRIME

3x² - 15x + 18

• 3(x-2) (x-3)
• (3x-6) (x-3)
• (3x-9) (x-2)
• PRIME

50m³ - 2m 

• 2m(25m²-1)
• 2m(5m-1) (5m-1)
• 2m(5m-1) (5m+1)
• PRIME

Factor completely:
-8x² + 10x + 3

• (2x - 3) (-4x - 1)
• -1 (2x - 3) (4x + 1)
• -1 (-2x + 3) (4x + 1)
• (-2x + 3) (4x + 1)

4x² + 8x - 60

• (4x-12) (x+5)
• (4x+20) (x-3)
• 4(x-3) (x+5)
• PRIME