x^2-(a+1)x+a если один из них x=5. Created by nadejdalibenova. matematika-ru

При x = 5,Ответ: -4a + 20.

x^2-(a+1)x+a если один из них x=5...

August 2022 1 29 Report

x^2-(a+1)x+a если один из них x=5

Answers & Comments

MrSolution ${x}^{2} - (a + 1)x + a = {x}^{2} - ax - x + a = - x(a - x) + (a - x) = (a - x)(1 - x)$

При x = 5,
$(a - 5)(1 - 5) = (a - 5) \times ( - 4) = - 4a + 20$

Ответ: -4a + 20.

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Answers & Comments

rewrite the sentence more formally using the word in the bracket. let's paint th...

cars)...

used ro or would 2 .You know that?I think i (take) that course in book-keeping a...

would Hey,you (be) in the bathroom for an hour .Hurry up or you (be) late for th...

2 .You know that?I think i (take) that course in book-keeping after all.It (help...

Tg10°-tg70°+корен3tg10°×tg7°...

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