Find 2r2 + 3s3-r2 + 4t2-r2 if r = −2, s = −3, and t = 5.

1.	Find 2r2 + 3s3-r2 + 4t2-r2 if r = −2, s = −3, and t = 5.
Answer» Find 2r² + 3s³-r² + 4t²-r² if r = −2, s = −3, and t = 5. Solution:

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