• A. a(a-3)
• B. a-3
• C. a
• D. a(a+3)

Answer: Option B

Explanation:

• A. $a\left(a-3\right)$
• B. $a-3$
• C. $a$
• D. $a\left(a+3\right)$

Answer: Option A

Explanation:

• A. 34
• B. 39
• C. 36
• D. 49

Answer: Option A

Explanation:

• A. $\pm 10$
• B. $10$
• C. $\pm 11$
• D. $11$

Answer: Option A

Explanation:

• A. (a+b+c)(a-b+c)
• B. (a-b-c)(a-b+c)
• C. (a-b-c)(a+b-c)
• D. (a+b+c)(a-b-c)

Answer: Option B

Explanation:

• A. a3b(a6 - b6)
• B. a3b3(a6 - b6)
• C. a2b2(a6 - b6)
• D. ab(a5 - b5)

Answer: Option C

Explanation:

• A. ab2ca
• B. ab2cd
• C. b2cad
• D. bd2ac

Answer: Option D

Explanation:

• A. a6 - 1
• B. (a - 1) (a + 1)
• C. 1
• D. a3 - 1

Answer: Option C

Explanation:

• A. a3 + 3a2b + 3ab2 + b3
• B. (a + b)3 + 3ab(a + b)
• C. (a + b)3 - 3ab(a + b)
• D. (a + b)(a2 + ab + b2)

Answer: Option C

Explanation:

• A. (a + b)(a + b)(a + b)
• B. (a + b)(a2 + b2)
• C. (a - b)(a + b)(a2 + b2)
• D. (a + b)(a2 - ab + b2)

Answer: Option D

Explanation:

• A. 1
• B. a3 + b3
• C. a6 - b6
• D. a3 - b3

Answer: Option C

Explanation:

• A. a + b
• B. a - b
• C. a2 + b2
• D. a2 - b2

Answer: Option B

Explanation:

• A. (a + 2)
• B. (a + 1)
• C. (a - 2)
• D. (a - 1)

Answer: Option B

Explanation:

• A. (a + 1) (a2 - a - 4)
• B. (a - 1) (a2 + a - 4)
• C. (a + 1) (a2 + a + 4)
• D. (a - 1) (a2 - a - 4)

Answer: Option D

Explanation:

• A. (a + 1)(a - 2)(a - 3)
• B. (a - 1)(a + 2)(a - 3)
• C. (a + 1)(a + 2)(a - 3)
• D. (a - 1)(a - 2)(a - 3)

Answer: Option C

Explanation: