Mathematics, 10.11.2020 22:30 shakalalewis7255
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 + zx - 7zy
Step 3: x2 - 7xy + 4xy – 28y2 + xz - 7yz
Step 4: x2 – 3xy – 28y2 + x2 – 7yz
Identify the property used in each of the steps:
Answers: 2
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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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