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01-06-2020
Mathematics

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a rectangle has length x + 9 and width 2x - 1. What is the area of the rectangle?

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dshtengel dshtengel

01-06-2020

Answer:

A = 2x^2 + 17x -9

Step-by-step explanation:

A = LW

L = x + 9

W = 2x - 1

A = (x+9)(2x-1)

FOIL

A = 2x^2 + 18x - x - 9

A = 2x^2 + 17x -9

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