(5x-2)(3-x)=-6(1-x)(1+x)
Chciałbym z pełnym rozwiązaniem ;)
15x-6-5x²+2x=-6(x²-1)
15x-6-5x²+2x=-6x²+6
15x-5x²+2x+6x²=6+6
17x+x²=12
x(17+x)=12
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(5x-2)(3-x)=-6(1-x)(1+x)
15x-6-5x²+2x=-6(x²-1)
15x-6-5x²+2x=-6x²+6
15x-5x²+2x+6x²=6+6
17x+x²=12
x(17+x)=12