miguelc2145
06.10.2019 •
Mathematics
Is 360,000. prime or composite? thx : )
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Ответ:
Ответ:
+) the area of the original house is:
(x + 8)(x + 12) = x² + 20x + 96.
+) the area of the new addition is:
(x + 6)x = x² + 6x
+) the total area of the house is:
x² + 20x + 96 + x² + 6x = 2x² + 26x + 96