Simplifying Polynomial Expressions Answers

What is the first step in simplifying3 – b(7b + 2) + 3b – (11 – b)?

Simplify –x(6x5)2(–2y6)(y).

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Simplify 3 – b(7b + 2) + 3b – (11 – b).-7b2 + 2b - 10✔ -7b2 + 2b - 88b - 6 -5b - 8

Simplify 7x + (x – 4)(x + 5) – 5x.

Harold starts to simplify the expression below, as shown, but his work is not correct.–x(6x5)2(–2y6)(y)(–6x6)2(–2y6)(y)What should Harold have done instead?

A rectangular garden has length and width as given by the expressions below.

Simplify the expression.

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Complete the steps for simplifying the given expression.Step 1: Multiply the result by –2.Subtract the result from 1.Add the result to 4 + x2. ✔ Find the quotient.

Which sentence best describes Marc’s error?

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Step 2: Multiply the result by –2.✔ Subtract the result from 1.Add the result to 4 + x2. Find the quotient.

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Step 3: ✔ Multiply the result by –2.Subtract the result from 1.Add the result to 4 + x2. Find the quotient.

Step 4: Multiply the result by –2.Subtract the result from 1.✔ Add the result to 4 + x2. Find the quotient.The expression simplifies to – 3x2 – 8x + 4.