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jacquelinegonz
18.03.2021 •
Mathematics
What is the area of a rectangle whose length is (2x-1) cm and whose width is (X+2) cm?
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Ответ:
2x^2 + 3x - 2
Step-by-step explanation:
=> area of rectangle = length*width
=> length = (2x -1)
=> width = (x + 2)
=> area = (2x - 1) (x + 2)
=> area= 2x(x + 2) - 1(x + 2)
=> area = 2x^2 + 4x - 1x - 2
=> area = 2x^2 + 3x - 2
hope it helps
Ответ:
Answer your own question.
Step-by-step explanation:
Listen to your teacher.