(-8b^2+4b-8)+(-2b^2-5b-1), when b=?
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Answered by
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Answer:
➡(-8b² +4b-8)+(-2b² -5b-1)
=> -8b²+4b-8-2b²-5b-1=0
=> -8b²-2b² +4b-5b-8-1=0
=> -10b² -1b-9=0
=> 10b² + b +9 = 0
Step-by-step explanation:
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