• A. 91
• B. ৪1
• C. 101
• D. 85

Answer: Option A

Explanation:

• A. 91
• B. 81
• C. 101
• D. 85

Answer: Option A

Explanation:

• A. x(x+1)
• B. x(x-1)
• C. (x+1)(x-1)
• D. x(x+1)(x-1)

Answer: Option D

Explanation:

• A. $\left(x+2\right) \left(x^2-2x\right)$
• B. $\left(x-2\right) \left(x^2+2x+3\right)$
• C. $\left(x-2\right)$
• D. $\left(x^2+2x+3\right)$

Answer: Option B

Explanation:

• A. 100
• B. $\frac{1}{10}$
• C. 10
• D. $\frac{1}{100}$

Answer: Option D

Explanation:

• A. $100$
• B. $10$
• C. $\frac{1}{10}$
• D. $\frac{1}{100}$

Answer: Option D

Explanation:

• A. $\left(x-4\right)$
• B. $x^6-1$
• C. $\left(x-2\right)$
• D. $\left(x-3\right)$

Answer: Option B

Explanation:

• A. x-2
• B. x+2
• C. $x^2+2$
• D. $x^2-2$

Answer: Option A

Explanation:

• A. $\left(x-2\right)\left(x^2-x+2\right)$
• B. $\left(x-2\right)\left(x^2-x-2\right)$
• C. $\left(x-2\right)\left(2x^2-x+4\right)$
• D. $\left(x^2-2\right)\left(x^2-x+4\right)$

Answer: Option B

Explanation:

• A. $\left(x-2\right)\left(x^2-x+2\right)$
• B. $\left(x-2\right)\left(x^2+x-2\right)$
• C. $\left(x-2\right)\left(2x^2-x+4\right)$
• D. $\left(x^2-2\right)\left(x+2x+4\right)$

Answer: Option A

Explanation:

• A. 2 ≤ x < 3
• B. 2
• C. 2 < x ≤ 3
• D. 2 ≤ x ≤ 3

Answer: Option B

Explanation:

• A. $-5$
• B. $0$
• C. $2$
• D. $4$

Answer: Option B

Explanation:

• A. $x-1$
• B. $x-2$
• C. $x-3$
• D. $x-4$

Answer: Option D

Explanation:

• A. $\left(x+1\right)\left(x-2\right)\left(x-3\right)$
• B. $\left(x-1\right)\left(x+2\right)\left(x-3\right)$
• C. $\left(x+1\right)\left(x+2\right)\left(x-3\right)$
• D. $\left(x-1\right)\left(x-2\right)\left(x-3\right)$

Answer: Option C

Explanation:

• A. -2xy
• B. 8xy
• C. 6xy
• D. 2xy

Answer: Option D

Explanation: