• 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:

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

Answer: Option B

Explanation:

• A. (2a+3)
• B. 2a-3
• C. 3a+5
• D. 2a-3

Answer: Option A

Explanation:

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

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. $9\left(a-b\right)\left(b-c\right)\left(c-a\right)$
• B. $3\left(a-b\right)\left(b-c\right)\left(c-a\right)$
• C. $2\left(a-b\right)\left(b-c\right)\left(c-a\right)$
• D. $\left(a-b\right)\left(b-c\right)\left(c-a\right)$

Answer: Option B

Explanation: