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Marysya12 [62]
3 years ago
9

(x+4y+z)(x-7y) what are steps like associative, and commutative and distributive property in a polynomial expression

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0

Answer:

Step-by-step explanation:

your basically multiplying everything in the first parenthesis by everything in the second parenthesis

(x + 4y + z)(x - 7y) =

x(x - 7y) + 4y(x - 7y) + z(x - 7y) =....keep in mind, 4yx is the same as 4xy

x^2 - 7xy + 4xy - 28y^2 + zx - 7zy....combine like terms

x^2 - 3xy - 28y^2 + zx - 7zy <---- your answer

this is the distributive property

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