Question

Width
5х
10x^2
5x
What is the width of Heng's area model?
Width =​

Answer 1

10

x

2

−

5

x

Factor

5

x

out of

10

x

2

.

5

x

(

2

x

)

−

5

x

Factor

5

x

out of

−

5

x

.

5

x

(

2

x

)

+

5

x

(

−

1

)

Factor

5

x

out of

5

x

(

2

x

)

+

5

x

(

−

1

)

.

5

x

(

2

x

−

1

)