izzyisawesome5232
08.04.2020 •
Mathematics
The length of a rectangle is (2x + 4). The width of the rectangle is (x² – 2). What is the
expression of the area?. Note: The area of a rectangle is b.h.
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Ответ:
A = (2x + 4)(x^2 - 2)
A = 2x(x^2) + 2x(-2) + 4(x^2) + 4(-2)
A = 2x^3 + -4x + 4x^2 + -8
A = 2x^3 + 4x^2 - 4x - 8
Hope this helps!! :)
Ответ: