• B. 2
• C. -2
• D. 1

Answer: Option C

Explanation:

• A. 10
• B. 9
• C. -9
• D. -2

Answer: Option C

Explanation:

• A. x + 1
• B. x + 2
• C. x + 3
• D. x + 4

Answer: Option D

Explanation:

• A. x+y+1
• B. x-y
• C. x+y-1
• D. x-y-1

Answer: Option C

Explanation:

• A. 2x - 1
• B. 2x +1
• C. $2x^2+1$
• D. 2x + 5

Answer: Option B

Explanation:

• A. (3x + 4y ) ( 3x -4y)
• B. (4y -3x ) (4y +3x)
• C. (-4y -3x) ( 4y - 3x )
• D. ( 3x + 4y ) ( -4y -3x)

Answer: Option D

Explanation:

• A. (x+3)(x+4)
• B. (x+3)(x-4)
• C. (x-3)(x+4)
• D. (x-3)(x-4)

Answer: Option A

Explanation:

• A. (a+5)
• B. (a+4)
• C. (a-1)
• D. (a+2)

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. (x+2)(4x+3)
• B. (x+2)(4x-3)
• C. (x-2)(4x+3)
• D. (x-2)(4x-3)

Answer: Option B

Explanation:

• A. $a^2+ab+b^2$
• B. $a^2-ab+b^2$
• C. $a^2+b^2$
• D. $a^2-b^2$

Answer: Option B

Explanation:

• A. a+1
• B. $a^2+1$
• C. $a^2+a+1$
• D. $a^2-a+1$

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option A

Explanation: