Simplifying Polynomial Expressions Answers

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

Simplify –x(6x5)2(–2y6)(y).

[___] − [___]x − [___]y − [___]xy

[___] − [___]x − [___]y − [___]xy

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?

Simplify the expression.

[___] − [___]x − [___]y − [___]xy

−[___]b2 + [___]b + [___]

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?

[___] − [___]x − [___]y − [___]xy

−[___]b2 + [___]b + [___]

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

−[___]b2 + [___]b + [___]

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.