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

User Fig
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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
User Ali Sherafat
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