Question

A rectangle has a height of x and a width of 7x – 4. Express the area of the entire rectangle.

Answer 1

Answer:

Area = A = $7x^{2} - 4x$

Step-by-step explanation:

Given Data:

Height of rectangle = x

Width of rectangle = 7x – 4

To find out:

Area = A =  ?

Formula:

Area = A = l×h

Solution:

Area = A = l×h

Area = A = x × (7x – 4)

Area = A = $7x^{2} - 4x$

Answer 2

Answer:

(7x² - 4x) unit²

Step-by-step explanation:

Area of rectangle = width × height

Width = 7x - 4

Height = x

Area = x ( 7x - 4)

Area = (7x² - 4x) unit²

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