twalters88
19.01.2021 •
Mathematics
The following steps are used to rewrite the polynomial expression (x + 4y +z)(x - 7y). Step 1: x(x - 7y) + 4y(x - 7y) + z(x - 7y) Step 2: x2 - 7xy + 4yx - 28y2 + zx - 7zy Step 3: x2 - 7xy + 4xy - 28y2 + xz - 7yz Step 4: x2 - 3xy - 28y2 + xz - 7yz Identify the property used in each of the steps:
step 1) associative property,communicative property,distributive property
the same for steps 2 and 3 those are the response ^ I need help one which one is for step 1 2 and 3
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Ответ:
post inappropriate images
Step-by-step explanation: