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Please show your work with each expression. Simplify.

6a - 2b^2 a=9 b=5

4d^3 + 6e^2 - 8d ÷ 2 d=2 e=3

5r^2 ÷ 4 + 4s ÷ 3r r=4 s=9

User Melida
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1 Answer

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(replace the variables) 6(9)-2(5)^2
(simplified) 54-10^2.... 54-100=-46