buky0910p6db44
22.07.2021 •
Mathematics
Min of A= 2x^2 + y^2 - 2xy + 2y
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Ответ:
d^3 + d^2 + 12d + 18
Step-by-step explanation:
(d^2 + 6d + 9) + (d^3 + 6d + 9) =
First, step is to drop the parentheses since they are not needed.
= d^2 + 6d + 9 + d^3 + 6d + 9
Now, like terms together.
= d^3 + d^2 + 6d + 6d + 9 + 9
Add like terms.
= d^3 + d^2 + 12d + 18