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Cerrena [4.2K]
3 years ago
15

Properties of numbers 7(x-3)=7x-21

Business
1 answer:
Yuliya22 [10]3 years ago
4 0
This property is called the distributive property. It is when you distribute the number outside the parenthesis into the numbers and letters inside the parenthesis.

Example: 

7(x-3) = 7x-21

10(x+5+8) = 10x+50+80 = 10x +130

be sure to simplify like terms as in the example above

10 ( x²+5x³+2x²) = 10x²+50x³+20x² = 30x²+50x³

answer: 30x²+50x³

hope this helps
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