• A. -22.5
• B. -17.5
• C. -10.5
• D. 16

Answer: Option B

Explanation:

• A. 9abc
• B. $9a^3{b}^3{c}^3$
• C. $3a^3{b}^3{c}^3$
• D. 3abc

Answer: Option D

Explanation:

• A. $a^2-b^2$
• B. $a-b$
• C. ${\left(a+b\right)}^2$
• D. $a+b$

Answer: Option D

Explanation:

• A. 15
• B. 14
• C. -24
• D. -25

Answer: Option C

Explanation:

• A. 9
• C. 4
• D. 7

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. -27
• B. -18
• C. 27
• D. 18

Answer: Option A

Explanation:

• A. a(a+b)
• B. ab(a+b)
• C. a+b
• D. $a{\left(a+b\right)}^2$

Answer: Option A

Explanation:

• A. -12314096
• B. 12314096
• D. 6

Answer: Option A

Explanation:

• B. 1
• C. x-2
• D. x+2

Answer: Option B

Explanation:

• A. x-5
• B. x+5
• C. x(x+5)
• D. x(x-5)

Answer: Option B

Explanation:

• A. ১০
• B. ১৫
• C. ২০
• D. ২৪

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. $\sqrt{2}/3$
• B. $2/\sqrt{3}$
• C. $4\sqrt{3}/3$
• D. $12/9$

Answer: Option B

Explanation:

• A. x=1
• B. x=3
• C. x>3
• D. x>0

Answer: Option C

Explanation: