Rozwiąż równanie:
(3x - 4) (3x + 4) - 13x2 + 1 = 10 - (2x + 3)2
9x²-16-13x²+1=10-(4x²+12x+9)
-4x²-15=10-4x²-12x-9
12x=16 /:12
x=16/12
x=1 1/3
(3x - 4) (3x + 4) - 13x^2 + 1 = 10 - (2x + 3)^2
9x^2+12x-12x-16-13x^2 + 1=10-4x^2-12x-9
9x^2+12x-12x-13x^2+4x^2+12x=10-9+16-1
x=16/12=4/3=1 i 1/3
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Rozwiąż równanie:
(3x - 4) (3x + 4) - 13x2 + 1 = 10 - (2x + 3)2
9x²-16-13x²+1=10-(4x²+12x+9)
-4x²-15=10-4x²-12x-9
12x=16 /:12
x=16/12
x=1 1/3
(3x - 4) (3x + 4) - 13x^2 + 1 = 10 - (2x + 3)^2
9x^2+12x-12x-16-13x^2 + 1=10-4x^2-12x-9
9x^2+12x-12x-13x^2+4x^2+12x=10-9+16-1
12x=16 /:12
x=16/12=4/3=1 i 1/3