AnswersAlgebra I CR GTMultiplying Polynomials and Simplifying Expressions

Multiplying Polynomials and Simplifying Expressions Answers

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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?

A
3x3 + 2x2 – x + 3
B
3x3 + 2x2 – x – 3
C
3x3 + x2 – 6x + 9
D
3x3 + x2 + 6x – 9
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Use the chart to multiply the binomial by the trinomial.

Question illustration
A
y3 + 27
B
y3 – 27
C
y3 – 6y2 + 27
D
y3 + 6y2 + 27
3

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.

Question illustration
A
Simplify the expression by adding and subtracting from left to right.
B
Combine like terms within the parentheses.
C
Combine all x-terms.
D
Distribute the 3 to each term in the parentheses by multiplying.

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