Mathematics, 08.02.2021 01:20 phillipsalexis274

PLEASE HELP, WILL GIVE BRAINLIEST 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 - 28y? + zx - 7zy Step 3: x2 - 7xy + 4xy - 28y? + xz - 7yz Step 4: x2 - 3xy - 28y? + xz - 7yz Identify the property used in each of the steps:

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