Ответ:
c^2+2=3
Объяснение:
[ (x-1)(x-2) - 4*(x-1)(x-5)+3*(x-5)(x-2) ] / 12 =
x^2-3x+2-4*(x^2-6x+5)+3*(x^2-7x+10) / 12=
x^2-3x+2-4x^2+24x-20+3x^2-21x+30 / 12=
12/12=1 -> c=1
c^2+2=1^2+2=1+2=3
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Ответ:
c^2+2=3
Объяснение:
[ (x-1)(x-2) - 4*(x-1)(x-5)+3*(x-5)(x-2) ] / 12 =
x^2-3x+2-4*(x^2-6x+5)+3*(x^2-7x+10) / 12=
x^2-3x+2-4x^2+24x-20+3x^2-21x+30 / 12=
12/12=1 -> c=1
c^2+2=1^2+2=1+2=3