tony001
27.05.2021 •
Mathematics
The perimeter of the figure below, in inches.
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Ответ:
just use a calculator and add all the numbers-
Step-by-step explanation:
add
Ответ:
x + 9 = 2(x - 1)²
using identity (a - b)² = a² + b² - 2ab
x + 9 = 2(x² - 2x + 1)
x + 9 = 2x² - 4x + 2
2x² - 4x - x + 2 - 9 = 0
2x² - 5x - 7 = 0