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Котенок131
@Котенок131
July 2022
2
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(а-х)^2-(х+а)^2
Помогите пожалуйста. Заранее спасибо.
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Banabanana
Verified answer
(а-х)
²
-(х+а)
² = (a-x-(x+a))(a-x+x+a)=(a-x-x-a)(2a) = (-2x)*2a = -4ax
0 votes
Thanks 1
Kixcertborn2
Verified answer
(а-х)^2-(х+а)^2=
=(a-x-(x+a))*(a-x+x+a)=
=(a-x-x-a)*2a=
=(-2x)*2a=
=-4ax
0 votes
Thanks 0
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Answers & Comments
Verified answer
(а-х)²-(х+а)² = (a-x-(x+a))(a-x+x+a)=(a-x-x-a)(2a) = (-2x)*2a = -4axVerified answer
(а-х)^2-(х+а)^2==(a-x-(x+a))*(a-x+x+a)=
=(a-x-x-a)*2a=
=(-2x)*2a=
=-4ax