gabrielolivas59
25.04.2020 •
Mathematics
(4r2 – 3r + 2) – (-r2 – 3r) =
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Ответ:
5r^2+2
Step-by-step explanation:
(4r^2 – 3r + 2) – (-r^2 – 3r) =
Distribute the minus sign
(4r^2 – 3r + 2) +r^2 + 3r =
Combine like terms
(4r^2 + r^2 – 3r+ 3r + 2) =
5r^2+2
Ответ:
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