obedullakhan obedullakhan

03-05-2020
Mathematics

contestada

Find the value of the following expressions when x= – 2 5X²+ 5x – 21

Respuesta :

fardenk fardenk

03-05-2020

Answer:

9

Step-by-step explanation:

5(4)+5(2)-21

=20+10-21

=9

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