Question

Add or subtract. Enter your answer in standard form.
(7u2 + 5u + 2) − (u3 + 2u2 + 1) =

Answer 1

−u3+5u2+5u+1

Answer 2

\[7u^2+5u+2−(u^3+2u^2+1)\]
Distribute the negative sign:
\[=7u^2+5u+2+−1(u^3+2u^2+1)\]
\[=7u^2+5u+2+−1u^3+−1(2u^2)+(−1)(1)\]
\[=7u^2+5u+2+−u^3+−2u^2+−1\]
Combine like terms:
\[=7u^2+5u+2+−u^3+−2u^2+−1\]
\[=(−u^3)+(7u^2+−2u^2)+(5u)+(2+−1)\]
\[=−u^3+5u^2+5u+1\]
@dsibilly

Answer 3

ty

Answer 4

Your welcome :)

Answer 5

youtr welcome

Answer 6

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