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Can someone help me for this....​

Can someone help me for this....​
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1 vote
Can someone help me for this....​

Can someone help me for this....​-example-1
User Maslovsa
by
7.8k points

1 Answer

3 votes

Answer:b=3

Explanation:


\begin{array}c&x^6&x^5&x^4&x3&x^2&x&1\\---&---&---&---&---&---&---&---\\&1&b&0&-2&0&-5&6\\x=-2&&-2&-2b+4&4b-8&-8b+20&16b-40&-32b+90\\---&---&---&---&---&---&---&---\\&1&b-2&-2b+4&4b-10&-8b+20&16b-45&-32b+96=0\\\end {array}\\\\\\-32b+96=0\\\\b=(96)/(32) \\\\\boxed{b=3}\\

User RedCrayon
by
8.1k points
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