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Algebra · S1
Apply distributive property
Foundation
Core
Stretch
Question 1/8
+12 XP
Expand:
6
(
1
x
+
1
)
.
Area model
Distributive law
6
x
1
x
x
x
x
x
x
+
1
1
1
1
1
1
(
x
+
1
)
6
(
x
+
1
)
=
6
x
+
6
x area
unit area
The rectangle is 6 high and x + 1 wide. Its area reads once as height times bracket and once as the two blocks added — that is exactly the distributive law. The left block counts 6·1 = 6 x-tiles, the right one 6·1 = 6 units.
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Hint 1/3
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