• A. 35
• B. 45
• C. 54
• D. 55

Answer: Option C

Explanation:

• A. $\left(m+5\right)\left(m-3\right)$
• B. $\left(m-5\right)\left(m+3\right)$
• C. $\left(m+5\right)\left(m+3\right)$
• D. $\left(m-5\right)\left(m-3\right)$

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

• A. $2/3$
• B. $3/2$
• C. $4/3$
• D. $3/4$

Answer: Option B

Explanation:

• A. $a\left(a-3\right)$
• B. $a-3$
• C. $\left(a-1\right)\left(a-3\right)$
• D. $a\left(a-1\right)\left(a-3\right)$

Answer: Option B

Explanation:

• A. $12$
• B. $24$
• C. $36$
• D. $40$

Answer: Option B

Explanation:

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer: Option C

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. $0$

Answer: Option A

Explanation:

• A. $3$
• B. $1$
• C. $-1$
• D. $5$

Answer: Option C

Explanation:

• A. $3\sqrt{3}$
• B. $18$
• C. $9$
• D. $0$

Answer: Option D

Explanation:

• A. $\left(x+y\right)\left(x+y\right)$
• B. $\left(x+y\right)\left(x-y\right)$
• C. $\left(x-y\right)\left(x-y\right)$
• D. $\left(y+x\right)\left(y-x\right)$

Answer: Option B

Explanation:

• A. $0$
• B. $1$
• C. $x^2-y^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. 6
• B. 7
• C. -6
• D. -7

Answer: Option A

Explanation:

• A. 7
• B. 9
• C. 11
• D. 13

Answer: Option C

Explanation:

• A. $\left(x+3\right)\left(2x-5\right)$
• B. $\left(x-3\right)\left(2x-5\right)$
• C. $\left(x-3\right)\left(2x+5\right)$
• D. $\left(x+3\right)\left(2x+5\right)$

Answer: Option A

Explanation: