5(x-1)2 +(2x+1)2=(3x-2)(3x+2)-2
5(x^2-2x+1) + 4x^2+4x+1 = 9x^2 - 4 - 2
5x^2-10x+5+4x^2+4x+1 = 9x^2-6
-10x+5+4x+1 = -6
-10x+4x = -6+5-1
-6x = -2
x = 1/3
Mam nadzieję, że pomogłem :)
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5(x-1)2 +(2x+1)2=(3x-2)(3x+2)-2
5(x^2-2x+1) + 4x^2+4x+1 = 9x^2 - 4 - 2
5x^2-10x+5+4x^2+4x+1 = 9x^2-6
-10x+5+4x+1 = -6
-10x+4x = -6+5-1
-6x = -2
x = 1/3
Mam nadzieję, że pomogłem :)