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Number 8 please thanks!
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Number 8 please thanks!

Number 8 please thanks!-example-1
User Zulukas
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4b(b+2)=16+4b^2\\4b^2+8b=16+4b^2\\8b = 16 + 4b^2-4b^2\\8b = 16\\b = 2

Hope that helps!

User Sumeet Sharma
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