Mathematics, 19.10.2019 20:50 mia12340

Simplify the sum: (5u^3+7u^2+7)+(7u^3-6u+5)

a) 12u^3+7u^2-6u+12
b) -2u^3+7u^2-6u+12
c) 12u^3+6u^2-7u+12
d) -2u^3-6u^2+7u-12

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Simplify the sum: (5u^3+7u^2+7)+(7u^3-6u+5)

a) 12u^3+7u^2-6u+12
b) -2u^3+7u^2-6u+...