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  • 24-01-2020
  • Mathematics
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What is (x+7)3y equal to

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joy123333
joy123333 joy123333
  • 24-01-2020

Answer:

(x + 7)3y = 3xy + 21y

Step-by-step explanation:

Expand the expression in the question by using the distributive property. This means you multiply the term (number) outside the bracket with each of the terms (numbers) inside the bracket.

(x + 7)3y                  Expand this

= (x)(3y) + (7)(3y)            Multiply 3y with x and 7

= 3xy + 21y                 Simplified, final answer

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