October 2018 1 51 Report

Oblicz korzystając ze wzoru skróconego czyli (a-b) (a+b) = a do kwadratu - b do kwadratu. a) (2x+4)^ b) (5x+2)^ c) (3x-8)^ d) (4x+6)^ e) (8x-3)^ f) (6x-7)^ g) (9x-4)^ h) (3x-1/2)^ i) (5x+8)^ j) (3x-2) (3x+2) k) (5/8x-4) (5/8x+4) l) (6x-3) (3+6x) m) (5x-1)^ n) (19-5x)^ o) (7-12x)^ p) (4-13x)^ r) (17-12x)^


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