Lesson 7.4: Multiplying Polynomials and Simplifying Expressions Answers

Iliana multiplied 3p – 7 and 2p2 – 3p – 4. Her work is shown in the table.

The product of a binomial and a trinomial is x 3 + 3 x 2 − x + 2 x 2 + 6 x − 2. Which expression is equivalent to this product after it has been fully simplified?

Fiona wrote out the description of each step for her multiplication of the binomial and trinomial (2x – 3)(5x2 – 2x + 7).In which step did Fiona make an error?

The variables A, B, and C represent polynomials where A = x2, B = 3x + 2, and C = x – 3. What is AB – C2 in simplest form?

Use the chart to multiply the binomial by the trinomial.

Chin made an error in his chart showing the multiplication of the binomial by the trinomial.

What is the product?(4y − 3)(2y2 + 3y − 5)

Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. In Step 1 she simplified within the parentheses. In Step 2 she expanded the exponent.

The polynomial x3 + 8 is equal to

Using the distributive property, Marta multiplied the binomial (2x + 3) by the trinomial (x2 + x – 2) and got the expression below.(2x)(x2) + (2x)(x) + (2x)(–2) + (3)(x2) + (3)(x) + (3)(–2)Which is the simplified product?