Factorization

Factorize completely: 9x^2 – 9.

• (3x – 3)^2
• (3x + 3)^2
• (3x – 3)(x + 3)
• (3x – 3)(3x + 3)

Factorize: x^2 + 8x + 12.

• (x + 6)(x + 2)
• (x + 8)(x + 12)
• (x + 6)(x – 2)
• (x – 6)(x – 2)

Factorize by grouping: 8x^2 + 40x + 6x + 30.

• (8x + 6)(x – 5)
• (8x + 6)(x + 5)
• (8x + 5)(x + 6)
• (8x – 6)(x + 5)

Factorize completely: 49x^2 – 49.

• (7x – 7)(x + 7)
• (7x + 7)^2
• (7x – 7)^2
• (7x – 7)(7x + 7)

Factorize: x^2 + 16x + 60.

• (x + 10)(x – 6)
• (x + 10)(x + 6)
• (x + 16)(x + 60)
• (x – 10)(x – 6)