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ryansterling200
02.10.2019 •
Mathematics
Afield has an area of 12x^2 +5. within the field there are two smaller triangular fields with areas 2x^2 and 4x^2. write a simplified expression for the area of the field excluding the triangular fields. if x=5, what is the area excluding the triangular fields?
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Ответ:
9.2
Step-by-step explanation:
Steps
4.2-((-1)2-3)
Remove parentheses
4.2 - ( -1 *2 - 3 ) =5\
4.2+5
Add the numbers: 4.2+5=9.2
9.2