X-2
Find the numerical value of
2x² - 7x - 15
when x=-2.

-7x-7

Step-by-step explanation:

plug in -2  for x in  the equation 2x² - 7x - 15

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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