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2r^2+3s^3-r2+4t^2-r2

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2r^2+3s^3-r2+4t^2-r2

asked May 23, 2017 137k views

4 votes

2r^2+3s^3-r2+4t^2-r2

Mathematics
high-school

by Fig

7.5k points

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1 Answer

2 votes

2r^2 + 3s^3 - r^2 + 4t^2 - r^2

=3s^3 + 4t^2

=3*(-3)^3 + 4*(5)^2
=-(3*27) + (4*25)
=-81 + 100
=19

Answer is 19

Ali Sherafat answered May 30, 2017

by Ali Sherafat

7.7k points

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