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Mathematics, 02.04.2021 15:20 giraffegurl

The following steps are used to rewrite the polynomial expression (x + 4y + 2)(x – 7y) Step 1: x(x - 7y) + 4y (x - 7y) + z(x -- 7y)
Step 2: x2 – 7xy + 4yx – 28y² + 2x - 7zy
Step 3: x2 – 7xy + 4xy – 28y2 + x2 – 7yz
Step 4: x2 – 3xy – 28y2 + x2 – 7yz
Identify the property used in each of the steps:

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The following steps are used to rewrite the polynomial expression (x + 4y + 2)(x – 7y) Step 1: x(x...

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