Question

Yun was trying to factor 7x2 - 14x. He found that the greatest
common factor of these terms was 7x and made an area model:
What is the width of Yun's area model?
Width

Answer 1

The width is x - 2 or 7x units

Solution:

Given that,

Yun was trying to factor:

$7x^2-14x$

He found that the greatest  common factor of these terms was 7x and made an area model

To find: width of area model

From given,

$7x^2-14x$

Factor out 7x

$7x(x-2)$

The area is given as:

$Area = length \times width$

On comparing, $7x(x-2)$ with above formula, we can say,

$length = 7x\\\\width = x-2\\\\Or\\\\length = x - 2\\\\width = 7x$

Thus the width is x - 2 or 7x units

Answer 2

Answer:

the correct answer is x-2. I hope this help