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OpenStudy (anonymous):
solve for 4t + 2u2 – u3; t = 2 and u = 1
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OpenStudy (anonymous):
just put 2 everywhere you see a t and 1 everywhere you see a u to get
OpenStudy (anonymous):
4(2) + 2(1)^2 - (1)^3 8 + 2 - 1 = 9
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