QUESTION IMAGE
Question
use the box method to distribute and simplify $(-6x - 4)(-x^3 + 4x^2 - x + 6)$. drag and drop the terms to the correct locations of the table.
$(-6x - 4)(-x^3 + 4x^2 - x + 6)$
rows: o columns: o
Step1: Identify table dimensions
The first binomial $(-6x - 4)$ has 2 terms (rows), the second $(-x^3 + 4x^2 - x + 6)$ has 4 terms (columns).
Step2: Fill table with products
Calculate each row-column product:
- Row $-6x$:
$(-6x)(-x^3) = 6x^4$, $(-6x)(4x^2) = -24x^3$, $(-6x)(-x) = 6x^2$, $(-6x)(6) = -36x$
- Row $-4$:
$(-4)(-x^3) = 4x^3$, $(-4)(4x^2) = -16x^2$, $(-4)(-x) = 4x$, $(-4)(6) = -24$
The completed table is:
| $-x^3$ | $4x^2$ | $-x$ | $6$ | |
|---|---|---|---|---|
| $-4$ | $4x^3$ | $-16x^2$ | $4x$ | $-24$ |
Step3: Combine like terms
Group and add terms with the same exponent:
- $x^4$ term: $6x^4$
- $x^3$ terms: $-24x^3 + 4x^3 = -20x^3$
- $x^2$ terms: $6x^2 - 16x^2 = -10x^2$
- $x$ terms: $-36x + 4x = -32x$
- Constant term: $-24$
Step4: Write simplified polynomial
Combine all combined terms in descending order of exponents.
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Completed table:
| $-x^3$ | $4x^2$ | $-x$ | $6$ | |
|---|---|---|---|---|
| $-4$ | $4x^3$ | $-16x^2$ | $4x$ | $-24$ |
Simplified expression: $6x^4 - 20x^3 - 10x^2 - 32x - 24$