Przedstaw w postaci sumy algebraicznej:
(5x-2)(5x+2) - (3x-1)^{2} + 4x
(5x-2)(5x+2) - (3x-1)² + 4x=
=25x²-4 -9x²+6x -1 +4x=
=16x²+10x-5
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(5x-2)(5x+2) - (3x-1)² + 4x=
=25x²-4 -9x²+6x -1 +4x=
=16x²+10x-5