Proszę o pomoc
[(5x+3)² - (6x - 2)²] × 3 =
[5x^ + 9 +6x^ - 4] * 3 = [5 + 11x^] * 3 = 15 + 33x^
^ - kwadrat.
[(5x+3)² + (6x - 2)²] × 3 = [25x²+9+36x²-4] *3 =[61x²+5] * 3 = 183x²+15
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[5x^ + 9 +6x^ - 4] * 3 = [5 + 11x^] * 3 = 15 + 33x^
^ - kwadrat.
[(5x+3)² + (6x - 2)²] × 3 = [25x²+9+36x²-4] *3 =[61x²+5] * 3 = 183x²+15