Doprowadź do najprostszej postaci. a) (5x+1)^ - (5x-3)(5x+3) b) (3x-4)^ - (2x+2) c) (4x-2)^ + (2x+5)^ d) (7x-3)^+ (5x-1) (5x+1)
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rozwiązanie w załączniku :)