Question

помогите алгебра 7класс

Answer 1

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Answer 2

$1-6c^{2} +9c^{4} =(1-3c^{2} )^{2}$

$2x^{3} -14x^{2}+18x=2x(x^{2} -7x+9)$

$y^{6} -2y^{4} +3y^{2}=y^{2} (y^{4} -2y^{2}+3)$