Problema Solution
Evaluate the following expression using the values given:
Find 2r² + 3s³ - r² + 4t² - r² if r = -2, s = -3, and t = 5.
Answer provided by our tutors
2r² + 3s³ - r² + 4t² - r²
2(-2)^2 + 3(-3)^2 -(-2)^2 + 4(5)^2 - (-2)^2 = 127
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