05-11-2019
Mathematics

contestada

A rectangle has width of x - 1 and length of 2x + 3 , find the area
of the rectangle.

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05-11-2019

Answer:

this question could lead to quadratic equation

[tex]area \: of \:rectangle = length \times width \\ = (2x + 3) \times (x - 1) \\ = (2x + 3)(x - 1) \\ = 2 {x}^{2} - 2x + 3x - 3 \\ = 2 {x}^{2} + x - 3[/tex]

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