Помогите срочно ................плиз.

Question

Помогите срочно ................плиз.

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Answer 1

А) (2x-6)^2/x-3=(2(x-3))^2/x-3=2^2*(x-3)^2/x-3=2^2*(x-3)=4(x-3)=4x-12
b)(3a+6)^2/a+2=(3(a+2))^2=3^2*(a+2)^2/a+2=3^2*(a+2)=9(a+2)=9a+18
c)4x^2-4/(2x-2)^2=4(x^2-1)/(2(x-1))^2=4(x-1)*(x+1)/2^2*(x-1)^2=4(x+1)/4(x-1)=x+1/x-1
^-Степень
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