A) (x-a)(x-a)
B) (x+a)(x+a)
C) (x+a)(x-a)
D) (x^+a)(x+a)

A) (m-n)(m-n)
B) (m^+a)(m-a)
C) (m+n)(m+n)
D) (m+n)(m-n)

A) (m² + n²)(m² - n²)
B) (m⁴ + n²)(m² - n²)
C) (m² - n²)(m² - n²)
D) (m² + n²)(m² + n²)

A) (6x³ + 5y⁴)(6x³ - 5y⁴)
B) (6x³ + 5y⁴)(6x³ + 5y⁴)
C) (6x⁶ + 5y⁴)(6x⁶ - 5y⁴)
D) (6x³ - 5y⁴)(6x³ - 5y⁴)

A) (9p⁶ - 11q⁷)(9p⁶ - 11q⁷)
B) (9p⁶ + 11q⁷)(9p⁶ - 11q⁷)
C) (9p⁶ + 11q⁷)(9p⁶ + 11q⁷)
D) (9p⁶ + 11q⁷)(9p¹² - 11q⁷)

A) (10x³ + 15y⁶)(10x³ + 15y⁶)
B) (10x³ + 15y⁶)(10x³ - 15y⁶)
C) (10x³ - 15y⁶)(10x³ - 15y⁶)
D) (50x³ + 15y⁶)(50x³ - 15y⁶)

A) (13m⁴-n¹⁰)(14m⁴+n¹⁰)
B) (13m⁴-n¹⁰)(13m⁴+n¹⁰)
C) (13m⁴-n¹⁰)(13m⁴-n¹⁰)
D) (13m⁴+n¹⁰)(13m⁴+n¹⁰)

A) (12a⁷+9b⁵)(12a⁷+9b⁵)
B) (12a⁷-9b⁵)(12a⁷+9b⁵)
C) (12a⁷-9b⁵)(12a⁷-9b⁵)
D) (72a⁷-9b⁵)(72a⁷+9b⁵)

A) (200x⁹-8y²⁵)(200x⁹+8y²⁵)
B) (20x⁹-4y²⁵)(20x⁹-4y²⁵)
C) (20x⁹-4y²⁵)(20x⁹+4y²⁵)
D) (20x⁹+4y²⁵)(20x⁹+4y²⁵)

A) (2p¹³+3q¹¹)(2p¹³+3q¹¹)
B) (2p¹³-3q¹¹)(2p¹³+3q¹¹)
C) (2p¹³-6q¹¹)(2p¹³+6q¹¹)
D) (2p¹³-3q¹¹)(2p¹³-3q¹¹)