Question
Perform the indicated operations.$$(r+2 s-3 t)(2 r-2 s+t)$$
Step 1
This gives us: \[r(2r) + r(-2s) + r(t) + 2s(2r) + 2s(-2s) + 2s(t) - 3t(2r) - 3t(-2s) - 3t(t)\] Show more…
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