Question

Multiple the polynomials (3x^2+4x+4) (2x-4)

Answer 1

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▹ Answer

6x³ - 4x² - 8x - 16

▹ Step-by-Step Explanation

(3x² + 4x + 4) (2x - 4)

Distribute

3x²(2x - 4) + 4x(2x - 4) + 4(2x - 4)

Remove parentheses

6x³ - 12x² + 4x(2x - 4) + 4(2x - 4)

Collect like terms

6x³ - 12x² + 8x² - 16x + 8x - 16

6x³ - 4x² - 16x + 8x - 16

Solve

6x³ - 4x² - 8x - 16

Hope this helps!

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Answer 2

Answer:

6x³ - 4x² - 8x - 16

Step-by-step explanation:

Step 1: Distribute the 2x

6x³ + 8x² + 8x

Step 2: Distribute the -4

-12x² - 16x - 16

Step 3: Combine the 2 distributions

6x³ + 8x² + 8x - 12x² - 16x - 16

Step 4: Combine like terms

6x³

8x² - 12x² = -4x²

8x - 16x = -8x

-16

Step 5: Rewrite

6x³ - 4x² - 8x - 16