Выполните действие( №9( а))

Question

Выполните действие( №9( а))

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Answer 1

(X2-x-6)/(4x+4)*(x+1)/(x2-6x+9)=(((x^2-4)-(x+2))*(x-1))/4(x+1)*(x-3)^2=(x+2)(x-3)/4(x-3)^2=(x+2)/4(x-3)

Comments

otvet pravilno tak kak 4(x-3)=4x-12

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pochemu 0

Answer 2

(x^2-x-6)/4(x+1) *(x+1)/(x-3)^2=(x^2-3x+2x-6)/4 * 1/(x-3)^2=x(x-3)+2(x-3)/4*1/(x-3)^2=(x+2)/4*1/x-3=(x+2)/4x-12