Mathematics, 27.04.2021 01:10 mjackson7208

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: r? - 3xy - 28y2 + x2 - 7yz dentify the property used in each of the steps:

The following steps are used to rewrite the polynomial expression (x + 4y+z)(x-7y). Step 1: x(x - 7

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The following steps are used to rewrite the polynomial expression (x + 4y+z)(x-7y). Step 1: x(x - 7y...

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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: r? - 3xy - 28y2 + x2 - 7yz dentify the property used in each of the steps:​

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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: r? - 3xy - 28y2 + x2 - 7yz dentify the property used in each of the steps: