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Expand and simplify
In this expression: 2(3 -x)
The 2 got distributed to the 3 and the -x
With Algebra Tiles
Expanding is when you remove the brackets from the expression. Simplifying is when you collect like terms.
In this expression:
(2x - 3) (x + 1)
Everything in the first bracket got multiplied with the second bracket. So the 2x got multiplied with x and 1. The -3 got multiplied with x and 1. Then you collect like terms.
In this expression:
(x + 1) (x + 2)
Everything in the first bracket got multiplied with the second bracket.
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