14,248,000. [2]Exercise34. (x+y+z)(x+y−z). (x−y+z)(x−y−z). (z+x+y)(z−x−y). (z+x−y)(z−x+y). (x+y+2z)(x+y−2z). (2z+x−y)(2z−x+y). (a+2b+c)(a+2b−c). (a−2b+c)(a−2b−c). (c+a−2b)(c−a+2b). (2a+5c+1)(2a+5c−1). (1+2a−5c)(1−2a+5c). (a+3b+4c)(a+3b−4c). (a−5b+3c)(a−5b−3c). (4c+a−5b)(4c−a+5b). (2a+x+y)(2a−x−y). (b+a−2x)(b−a+2x). (2z+x+3y)(2z−x−3y). (3+3a−7b)(3−3a+7b). (4a+2b+5c)(4a−2b−5c). (5c+3a−2x)(4c−3a+2x). (3a+3b−5c)(3a−3b+5c). (4y+a−3c)(4y−a+3c). (7m+p+2q)(7m−p−2q). (6n+d−2c)(6n−d+2c).