Subtract:(18b^2+6b-7)-(-3b^2+5b+8)

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1 Answer

(18b^2 + 6b - 7) - (-3b^2 + 5b + 8)

18b^2 + 6b - 7 + 3b^2 - 5b - 8

21b^2 + 6b - 7 - 5b - 8

21b^2 +b - 7 - 8

21b^2 + b - 15
by Level 13 User (103k points)

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