If PSK3x^2-2x+7=0ZSK then PSK(x-\frac{1}{3})^2=?ZSK

Sallie Banks

Sallie Banks

Answered question

2021-12-09

If 3x22x+7=0 then (x13)2=?

Answer & Explanation

ol3i4c5s4hr

ol3i4c5s4hr

Beginner2021-12-10Added 48 answers

3x22x+7=0
3x22x+13+713=0
3(x22x3+19)+713=0
3(x13)2+2113=0
3(x13)2=203
(x13)2=209
Hence, we get
(x13)2=209
Bubich13

Bubich13

Beginner2021-12-11Added 36 answers

Observe
(x13)2=x223x+19
=13(3x22x)+19
This is almost the original expression were

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