Question

ПОМОГИТЕ СРОЧНО!!! ДАЮ 40 БАЛЛОВ!!!
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Answer 1

x⁷-x⁹+2x⁵ = x⁵(x²-x⁴+2)= -x⁵(-x²+x⁴-2) = -x⁵(x⁴-x²-2) = -x⁵(x²-2)(x²+1)

5a²-10a+30a = 5a(a-2+6a²) = 5a(6a²+a-2) = 5a(2a-1)(3a+2)