Piercey9287 Piercey9287

08-01-2020
Mathematics

contestada

Solve the following equations for ????. Show your method and work. If no solution is possible, explain how
you know.
a. ????2 + 12???? + 18 = 7
b. ????2 + 2???? − 3 = 4
c. ????2 + 18???? + 73 = −9

Respuesta :

nfox226 nfox226

21-01-2020

Answer:

Step-by-step explanation:

Additive identity is 0.

step 3 used the additive identity property.

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