Question

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

Answer 1

this question could lead to quadratic equation

`area \: of \:rectangle = length * width \\ = (2x + 3) * (x - 1) \\ = (2x + 3)(x - 1) \\ = 2 {x}^(2) - 2x + 3x - 3 \\ = 2 {x}^(2) + x - 3`