ZahauQ
10.10.2019 •
Mathematics
(find the area of the shaded region )
answer correct for a brainliest and also a ! don't answer if you don't know it .
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Ответ:
The area of the whole rectangle is
(9x - 2)(2x + 7)
= 18x^2 + 63x - 4x - 14
= 18x^2 + 59
The area of the white (unshaded) region is
3x(x + 12)
= 3x^2 + 36x
The area of the shaded region will be the area of the whole rectangle minus the area of the white region inside it.
(Area of whole rectangle) - (Area of unshaded region)
= (18x^2 + 59) - (3x^2 + 36x)
= 18x^2 + 59 - 3x^2 - 36x
= 15x^2 - 36x + 59
Ответ:
the anwser is going to be A