Answer:
[tex]2x^2-4x-6[/tex]
Step-by-step explanation:
Are of the rectangle is the product of lenght and width.
[tex](x+1)(2x-6)[/tex] Now, even if it might be convenient to keep it in this form, let's make it easier to look at by calculating the product by distributing it, and then adding like terms.
[tex]x(2x-6) + 1 (2x-6) = 2x^2-6x+2x-6 = 2x^2-4x-6[/tex]