salinasroel22
22.09.2019 •
Mathematics
Anyone good at math solve !
(8a-2a^2)+(6+7a)
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Ответ:
-2a^2 + 15a + 6
Step-by-step explanation:
You just might find it helpful to arrange these two expressions in a column:
(8a-2a^2)
+(6+7a)
and then to rearrange each equation in descending poers of a:
-2a^2 + 8a + 0
+ 7a + 6
Performing the indicated additions, we get:
-2a^2 + 8a + 0
+ 7a + 6
-2a^2 + 15a + 6
Ответ:
I dunno but you should double check and the read it so you can understand
Step-by-step explanation: